You are a flight assistant. 
 USER: Hello. I am Raymond Clark.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from SFO to HOU, Can you please help me for booking?

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

USER: I would like to travel on 01/16 to 01/18.

ASSISTANT: Do you need a break?

USER: I need a single stop over.

ASSISTANT: Is there any price limit?

USER: I can pay up to 200.

ASSISTANT: Ok, let me check what flights are available for you.

USER: Sure.

ASSISTANT: Delta airline with flight number 1011 is going on your way and the fare is 100.

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been confirmed in economy class.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.