You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Gary Moore. I planned to travel from DEN to PHX, can you please help me to book a flight ticket?

ASSISTANT: Sure, can I know your preferable dates?

USER: I prefer to travel on 11/14 and 11/16.

ASSISTANT: I found a flight 1017 of Frontier airlines matches with your preferences, can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a good day.