You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: My name is Matthew Wright. I'm planning to visit Golden Gate Bridge located in San Francisco on 12/27 and would like to return on 12/29. Could you help me in making my reservation?

ASSISTANT: Sure, can I know the source and destination airport codes?

USER: It's a round trip from SFO to SFO.

ASSISTANT: I found a fight 1007 of Southwest airlines matches with your preferences, can I proceed with the booking?

USER: That's perfect. Please continue with the booking.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for helping me out.

ASSISTANT: Thank you, have a great day.