You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Andrew Carter here. I would like to book a ticket from PHX to ORD, can you please help me with that?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: The travel dates are from 01/27 to 01/29.

ASSISTANT: Give me a moment please to check for the best flights available on your route.

USER: Ok.

ASSISTANT: AA airline is providing a service on your route with price 100 and having a single stop over in your journey, can I proceed for the booking?

USER: Please proceed with that.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe journey.