You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Donna Adams. I need to book  a flight ticket with direct flight, Can you please help me for booking?

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

USER: I would like to travel on 02/22 to 02/24.

ASSISTANT: Kindly mention your airport codes.

USER: My source point is IAH to DFW,.

ASSISTANT: Ok  please wait.

USER: Sure.

ASSISTANT: There is a flight matching your request.

USER: May I know the flight details.

ASSISTANT: JetBlue airline with flight number 1002 and fare is 100. Shall I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been done.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.