You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Daniel Nelson. I would like to travel from JFK to IAD.

ASSISTANT: Ok, can you please tell me your travel dates?

USER: My preferable dates are from 03/18 to 03/20.

ASSISTANT: Frontier airline with price limit 200 is available, do you want me to proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Most welcome.