You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a direct from New York to meet my brother. Can you help me with booking?

ASSISTANT: Sure, may I know your name please?

USER: My name is Rachel Rodriguez.

ASSISTANT: Please mention your airports codes please?

USER: My source point is LGA and my destination is DFW.

ASSISTANT: Ok, may I know on which dates your willing to travel?

USER: I will fly on Feb 09 and return on Feb 11.

ASSISTANT: Is there any specific class preference for you?

USER: No.

ASSISTANT: Do yo have any other specifications please?

USER: Sorry, I do not have any other requirement.

ASSISTANT: There is a direct flight of fare 100 with United airline, are you ok with this booking?

USER: Please proceed with booking.

ASSISTANT: Ok, your reservation has been confirmed with economy class, flight number is 1015.

USER: Thank you for helping me.

ASSISTANT: You are welcome.