You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Carolyn Mitchell here. I would like to book a ticket from DEN to IAD, can you please help me with that?

ASSISTANT: Sure, I am here to help you. Could you please let me know your travel dates?

USER: The travel dates are from 04/23 to 04/25.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Flight-1010 is available with Spirit airlines and the ticket fare is 100 only. Is that ok for you?

USER: Please proceed with that.

ASSISTANT: Mitchell, your ticket is booked and have a safe flight.

USER: Thank you.

ASSISTANT: You are most welcome and thank you for choosing us.