You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you reserve me a ticket from PHX to DEN?

ASSISTANT: Sure, we are here to help you. Can you please let me know your planned trip dates?

USER: My trip dates are Apr 17 to 19.

ASSISTANT: Do you have any stopover in between journey?

USER: I need a direct flight.

ASSISTANT: May I know your good name please?

USER: Scott Martinez here.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Thanks for providing details, we found a direct flight in United Airlines with a fare of 200 which departs at 17:00 PM and return at 20:00 PM. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1018.

USER: Thank you.

ASSISTANT: Thank you for opting us.