You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to travel from IAH to OAK. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you for this. When are you planning your trip?

USER: I want to travel in the flight on Mar 20 and Mar 22.

ASSISTANT: May I know your name please?

USER: Barbara Evans.

ASSISTANT: Is there any connection limit?

USER: I want to travel in a connecting flight.

ASSISTANT: If you have any other preference regarding your journey?

USER: No.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT:  There is a flight in Spirit airlines with the ticket price of 200 having one connection and economy class. Can I proceed to booking?

USER: Proceed to booking.

ASSISTANT: Your booking is confirmed and the flight number is 1004.

USER: Thank you for your help.

ASSISTANT: Thank you very much for approaching our agency.