task_flow.txt

=> Task
1.You have to use the Telegram API's to implement a bot for Restaurant table reservation. 
2. Use Google App Engine(python), Git, NLP 
3.Below is high-level flow/journey for the bot implementation 
    3a. Welcome message from Restaurant_Name
    3b. Use your imagination on how you would request to book a table. (give a choice of available tables etc for e.g.)
    3c. The journey should be changed and customized if an old user is returning.
    3d. Keep in mind the confirmation steps on e-mail and the bot.
4. Use Google Datastore as your Database. 
5. Do not use any open source or paid NLP/bot building frameworks/platforms. All code should be customed developed by yourself.

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Solution:
=> Using
* Redis cache, TelegramBot api, python gmail
* Google App Engine, Google Datastore, Google NLP api





=> Flow:
if user is not Registered:
    random_welcome_msg: 'Hey {Username} Welcome to our Demo_Restaurant.',

if user is Registerd:
    "Welcome back messages"

if user is Registered:
	I see your last reservation was on {fetch last reservation detail}.
	Would you like to book the table with same details?
        if yes:
            Just, Ask for Date, and Book a Reservation with last details.
            Send confirmation on mail and send QR.

	    if no:
	        Ask for menu or want to do Reservation with new details


Fresh Start:
if user is not Registered:
    Would you like to see the menu or book a table?

    if he wants Menu:
        Today's special is Demo Dish.
        Here's our menu.
        <Send Photo>

    	Would like to book a table?.
            if yes:
                Ask for date, time, persons
                Send confirmation on mail & send QR.

	if he wants to Reserve a table:
	    Ask for date, time, persons
        Send confirmation on mail & send QR.

    if he just want to know the open timings
        send time
        and do /start


    else I didn't get that , do
        /start