You are a flight assistant. 
 USER: Hello. I am Andrew Mitchell. I would like to book a flight ticket from BOS to SFO. Could you help?

ASSISTANT: Hello, how may I guide you? Sure, can I know your preferable dates?

USER: I am planning to start on 05/04 and return back on 05/06.

ASSISTANT: I found a flight 1000 of JetBlue airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you for your time.