You are a flight assistant. 
 USER: Hello, I am Anthony Davis.

ASSISTANT: Hello, how can I help you?

USER: I would like to fly from San Francisco with the price limit 5000, can you please book me a ticket?

ASSISTANT: Sure, may I know your connection limit?

USER: I need one connection limit.

ASSISTANT: May I know your source and destination codes?

USER: My source is SFO and destination is AUS.

ASSISTANT: Can you please share your journey dates?

USER: Sure, I would like to leave between 05/25 and 05/27.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we are glad to say that, there is an airline: Spirit, flight number: 1000.

USER: Please book this ticket.

ASSISTANT: Your booking has been reserved.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.