You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you?

USER: Please book a ticket to JFK from CLT.

ASSISTANT: Sure, may I know your name and travelling dates to reserve a flight ticket?

USER: I'm John Davis. Travelling dates are from 11/19 to 11/21.

ASSISTANT: Ok, please wait for a while. Here is an airline Spirit with flight number 1010. Single connection with price 100. Shall I confirm your reservation?

USER: Please confirm.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us, have a good day.

USER: Thanks.