You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Raymond Smith, I plan for a round trip from San Francisco with my friend. Can you help me to book a connecting flight?

ASSISTANT: Sure, I am here to assist you. May I know your trip dates?

USER: I will fly on 04/11 and return on 04/13.

ASSISTANT: May I know your airport codes?

USER: My airport code is CA-SFO.

ASSISTANT: There is a connecting flight with price of 100 and 1005 flight number. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed with Jet Blue airline.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you for choosing us.