You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. how can I help you?

USER: I am Shirley White from Phoenix. I want to go Denver next week to meet my friends there, can you please book a flight ticket for me?

ASSISTANT: Sure, may I know your airport codes please?

USER: I want to fly from PHX and destination airport is DEN.

ASSISTANT: Can you help me with your travelling dates please?

USER: I want to take off on 10/27 and book my return ticket also on 10/29.

ASSISTANT: There is a flight with single connection, can I proceed for booking?

USER: I am comfortable with this flight, please proceed.

ASSISTANT: Your booking is done in 1018 flight.

USER: Thank you for your service.

ASSISTANT: Thank you.