You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Justin Rodriguez. I would like to book a ticket from PHX to DEN, can you please help me out?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: I am travelling on these dates 12/29 and 12/31.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a connecting flight from Spirit airlines with price 100, can I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for your services.

ASSISTANT: Welcome.