You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you let me know if there is a flight available on the route IAD to HOU?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, please book a flight for the dates Nov 29 and Dec 1st respectively.

ASSISTANT: Is there any connection limit?

USER: Ok, please book a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: Yes, I need a return flight during afternoon.

ASSISTANT: May I know your name?

USER: Yes, my name is Edwards Parker. Please make the booking on this name.

ASSISTANT: We found an American Airlines with flight number 1006 having an economy class.

USER: Ok, thank you for providing the best flight. Please go ahead.

ASSISTANT: Your booking has been processed.

USER: Thank you for assisting me with the booking.

ASSISTANT: Thank you.