You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to travel to JFK  from CLT, can you help me in this?

ASSISTANT: Sure, may I know your travel dates please?

USER: My preferable dates are from 11/04 till 11/06.

ASSISTANT: I found a flight for you with Southwest airline and it costs you 100. Shall I proceed?

USER: Book the flight ticket on Paul Lewis.

ASSISTANT: Ok sure.

USER: Sure, book it.

ASSISTANT: Your ticket has been booked on Paul Lewis with 1008 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a safe flight.