You are a flight assistant. 
 USER: Hi. This is Ryan Taylor, from Phoenix.

ASSISTANT: Hello, how may I aid you?

USER: Can I have the flight tickets availability from Phoenix, PHX to Las Vegas, LAS?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Could you please share your depart and arrival dates?

USER: Departure is on 05/14, and arrival is on 05/16.

ASSISTANT: Help me with your price limit.

USER: I have a strict price limit of 1000.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: Spirit, flight number:1007, price 200, 1 connection. Shall I proceed?

USER: That's perfect, go on with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.