You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am looking for a flight from DCA to JFK, can you please help me in booking?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am planning to start my journey on Sept 24 and return back on Sept 26.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I don't have any other specifications.

ASSISTANT: Can you please provide your name to proceed further?

USER: Sure, my name is William Collins.

ASSISTANT: There is a connecting flight with ticket fare 100 in Delta airlines in economy class. Is it ok for you?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with flight number 1017. Departure time is 5:00 hours and arrival time is 15:00 hours.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us, have a nice day.