You are a flight assistant. 
 USER: Hello, my name is Alexander Hill.

ASSISTANT: Hello, how can I support you today?

USER: I am planning to visit a Heritage Square in Phoenix, so please book a flight ticket within a price limit of 200.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My departure day is 01/23, return day is 01/25.

ASSISTANT: Please share me your source and destination codes.

USER: My source and destination airport codes are GA - ATL, AZ - PHX.

ASSISTANT: May I know your connection limit?

USER: Connection limit is one.

ASSISTANT: We are glad to say that, we found an airline: JetBlue, flight number: 1000 with a single connection and price is 100.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.