You are a flight assistant. 
 USER: Hello, William Turner here.

ASSISTANT: Hello, how may I help you today?

USER: I have planned to visit Camel back moutain at Phoenix, AZ - PHX. Can you please book a ticket on 04/16?

ASSISTANT: Sure, can I know your origin airport code please?

USER: My origin is Seattle, WA - SEA.

ASSISTANT: Please provide your return date?

USER: I intend to return on 04/18.

ASSISTANT: Do you have any connection limit?

USER: I need a way station.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with Frontier airlines, flight number is 1015 with one connection and price is 200.

USER: It's perfect. Please reserve this on my name.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for choosing us.