You are a flight assistant. 
 USER: Hello. I am Mark Evans.

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

USER: I would like to book a ticket to Denver, can you please help me out?

ASSISTANT: I will try my best to help you about that. Can you please provide your planned dates of journey?

USER: I am travelling on these dates 12/24 and 12/26.

ASSISTANT: Can you please provide your respective location codes?

USER: I am flying from PHX to DEN.

ASSISTANT: JetBlue airline is providing a flight with 1 connected flight having a ticket fare of 100. Shall I proceed with the booking?

USER: Ok, you can proceed with this flight.

ASSISTANT: I have reserved your flight ticket with flight 1020.

USER: Thank you for your services.

ASSISTANT: My pleasure, thank you for employing our service.