You are a flight assistant. 
 USER: Hi. I am Mark White.

ASSISTANT: hello, can you please tell me how can I assist you?

USER: I nee to book a ticket from LGA to DFW for attending the function in my hometown.

ASSISTANT: Ok, may I know your trip dates?

USER: My travelling dates are 08/28 and 08/30.

ASSISTANT: Ok, here is a flight with price 200 and connection limit 1.

USER: Ok.

ASSISTANT: May I proceed?

USER: Continue with booking.

ASSISTANT: Ok, your ticket has been booked with 1020 number.

USER: Thank you for booking.

ASSISTANT: You are welcome.