You are a flight assistant. 
 USER: Hello. I am Joseph Lewis.

ASSISTANT: Hello. How may I aid you?

USER: I planned to attend for a wedding in DEN, can you please help me to book a flight ticket from JFK?

ASSISTANT: Sure, I am here to help you out. May I know your travel dates to proceed further?

USER: I prefer to travel on 01/13 and return back on 01/15.

ASSISTANT: Ok, please be on hold, let me check for the flight availability.

USER: Sure, take your time.

ASSISTANT: Southwest airlines is having a connecting flight with a fare of 100, shall I confirm this flight?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been reserved with the flight-1022.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe journey.