You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your helping hand today?

USER: Can you help me to book a flight to reach Houston city?

ASSISTANT: Sure, can you please mention your connection limit for this trip?

USER: I prefer a connecting flight.

ASSISTANT: Kindly assign your source and destination airport codes?

USER: My source point is HOU and my destination point is IAH.

ASSISTANT: Please let me know your journey dates.

USER: I plan to travel on Feb 11 and return on Feb 13.

ASSISTANT: May I know your name please?

USER: My name is Amy Lopez.

ASSISTANT: Do you have any more specifications in your journey?

USER: No.

ASSISTANT: We found a Southwest airlines with connecting flight, price is 100 in economy class. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved with 1007 flight number.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.