You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may help you?

USER: I am David Thomas want to travel from JFK to DEN. Please help  me in booking my ticket.

ASSISTANT: Sure, may i know your travelling dates?

USER: My travelling dates are from 02/17 to 02/19.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in  airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please proceed with the booking.

ASSISTANT: Your booking has been done with Hawaiian airlines.

USER: Thank you for your help.

ASSISTANT: Thank you.