You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Jerry Martin. I want to book a flight ticket with a price limit of 500 for visiting a Alcatraz Island in San Francisco.

ASSISTANT: May I know your travelling dates please?

USER: I will start on 11/16, return on 11/18.

ASSISTANT: Could you please provide me your preferable airport codes?

USER: My source and destination airport codes are TX - AUS, CA - SFO.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline JetBlue, flight number: 1006. Shall I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.