You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: Myself Cynthia Campbell. I want to attend my sister's wedding at Denver, can you please help me to book my flight ticket from PHX to DEN?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable departure and return dates of travelling?

USER: Sure, I will start my journey on May 17th and also please book my return ticket on May 19th.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Sure.

ASSISTANT: I have found a flight with 1 connection having with the fare of 200 provided by Hawaiian airlines. Are you ok with this?

USER: Yes, I am comfortable with this flight. You can book the ticket for me.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1026 in business class.

USER: Thank you very much for your help.

ASSISTANT: Thank you for reaching us, have a great day.