You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: David Lewis here.

ASSISTANT: How may I aid you?

USER: Find a flight ticket for me that is from DEN to MCO.

ASSISTANT: Ok, can I have your planned dates of your journey?

USER: My travel dates are 05/23 to 05/25.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your waiting, i found flight for you in Hawaiian airlines with price 200. Can I proceed?

USER: Sure, you can book the flight ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1002.

USER: Thank you.

ASSISTANT: Thank you for choosing us. Have a nice day.