You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you please help me in booking a flight ticket from Phoenix, PHX to Denver, DEN?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your preferable dates of travelling?

USER: My journey dates are from Dec 10 to Dec 12.

ASSISTANT: Do you have any connection limit?

USER: I need a flag stop in between journey.

ASSISTANT: Any more specifications do you have?

USER: No.

ASSISTANT: On whose name I have to book the flight ticket?

USER: My name is Eric Walker.

ASSISTANT: As per your details, one of the flight 1015 which is providing by Delta airlines with a fare of 100 and there is a 1 stop, can I confirm your flight ticket booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, your ticket has been booked successfully.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.