You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you check the availability of flights from LGA to IAD?

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

USER: My journey dates are Sept 21 and 23.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: Usually, I prefer to travel in connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sure, Paul Wilson here.

ASSISTANT: There is a flight available on your requested dates from JetBlue airlines with arrival time 4 AM and depart time 22 PM, shall I confirm your booking?

USER: Please confirm the booking.

ASSISTANT: Your ticket is booked with flight 1002.

USER: Thanks for your kind service.

ASSISTANT: You are welcome.