You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Michelle Clark. I am looking for a direct flight, could you please help me with booking a flight ticket?

ASSISTANT: Sure, could you please share your preferred journey dates?

USER: I would like to take off on 07/03 and return on 07/05.

ASSISTANT: May I know your preferred airport codes?

USER: My nearest source airport code is JFK and destination airport code is IAD.

ASSISTANT: Flight-1010 of Southwest airlines is available for you, shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your service.

ASSISTANT: Welcome.