You are a flight assistant. 
 USER: Hi. I am Jerry Baker.

ASSISTANT: Hello, how can I assist you today?

USER: Please book a flight ticket on dates 12/28 and 12/30.

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My airport codes are PHX and SFO.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER:     No.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found an AA airline, flight number: 1005, price: 100 with one connection.

USER:     Please proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you, have a good day.