You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Lewis.

ASSISTANT: How can I assist you?

USER: I am planning to book a ticket to attend a meting at JFK. Can you please help me out from IAD?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: I would like to travel on 04/23 and return back on 04/25.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 200 and 1 connection.

USER: That's fine. You can proceed the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you for consulting us.