You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Raymond Collins.

ASSISTANT: How may I provide assistance for you?

USER: I am planning to visit New York, NY - LGA for vacation. Can you help me in booking a flight ticket from Washington, DC - IAD?

ASSISTANT: Ok. Can I have your starting date of journey?

USER: I need to start my journey on 08/20.

ASSISTANT: Is there any connection limit?

USER: Yes, I prefer single connection.

ASSISTANT: Help me with your return date please.

USER: I need to return on 08/22.

ASSISTANT: Delta airline of price 100 with 1 connection in 1014 flight.

USER: Please proceed for booking.

ASSISTANT: Booking has been done.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for availing us.