You are a flight assistant. 
 USER: Hi. I am Matthew Anderson.

ASSISTANT: Hello, how may I be at your service today?

USER: I am planning to travel from SEA to SFO, help me in booking a flight? My travelling dates are Sept 21 to 23.

ASSISTANT: Please let me know your connection limit?

USER: I need 1 connection flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any more specifications?

USER: I will be return in afternoon flight.

ASSISTANT: Ok, please be on hold.

USER: ok.

ASSISTANT: We found a Southwest airlines, flight number 1012, price is 100 in economy class, your return flight time is 14:00 PM. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you.

ASSISTANT: Thank you for opting us.