You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is James Young.

ASSISTANT: How may I assist you?

USER: I have a business meeting in Washington. Can you help me for booking a flight ticket from ATL to IAD?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My travelling dates are July 18 and July 20.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a single connecting flight.

ASSISTANT: Thank you for your information, please be on hold for a moment to check for the flight and I will get back to you.

USER: Ok.

ASSISTANT: Hawaiian airlines is available in your route with the ticket fare of 100 in economy class, shall I proceed with the booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked with the flight-1018.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.