You are a flight assistant. 
 USER: Hello, I am Gregory Collins.

ASSISTANT: Hello, how may I abet you?

USER: I need to book a flight ticket from DFW to CLT, can you please help me for booking?

ASSISTANT: Sure, how much can you pay for the ticket?

USER: I can pay up to 1000.

ASSISTANT: Please let me know your travel dates.

USER: I would like to travel on 11/28 to 11/30.

ASSISTANT: Ok, there is an Delta airline with flight number 1012 and price of 700 is available on your way.

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for your information.

ASSISTANT: Thanks you for opting us.