You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am Jessica Adams want to visit Denver, can you book a ticket from PHX to DEN?

ASSISTANT: Sure, I will aid you. Please send your travelling dates.

USER: Sure, my travelling dates will be 03/06 and 03/08.

ASSISTANT: Can I have your near by airport codes? Noted. Please wait for a while.

USER: Sure.

ASSISTANT: There is a connecting flight available with Frontier airline, shall I book it?

USER: Ok, proceed with my booking.

ASSISTANT: Your booking is done with flight number 1009. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for opting our services, have a nice day.