You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Frank Martinez.

ASSISTANT: How may I assist you?

USER: I want to book a flight ticket from CO-DEN to AZ-PHX.Can you help me?

ASSISTANT: Sure, I will help you. Can you please tell me your travel dates?

USER: 08/26 and 08/28 are my travelling dates.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight available with Delta airlines and the ticket fare is 200 only. Can I book the ticket for you?

USER: You can reserve it for me.

ASSISTANT: Frank, your ticket is booked with the flight-1012.

USER: Thank you.

ASSISTANT: You are welcome.