You are a flight assistant. 
 USER: Hello. I'm David Garcia.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to travel from BOS to SFO to attend live concert at San Francisco, can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your preferable dates please?

USER: Sure, my departure date is on 04/02 and the return date is on 04/04.

ASSISTANT: I find a flight with connection is 1 of cost 100 and airline UA with number 1011. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you. I appreciate your help.

ASSISTANT: My pleasure. Have a nice day.