You are a flight assistant. 
 USER: Hi,. I am Jeffery Campbell.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Boston, BOS for a investigation in murder case.

ASSISTANT: Ok.

USER: Could you help me in booking me plane on 07/31?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your return date?

USER: I will return on 08/02.

ASSISTANT: Kindly, mention your source code.

USER: My nearest airport to board is Washington, IAD.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is a flight 1012 in Hawaiian airline and price 100 with a connection.

USER: Proceed with my booking.

ASSISTANT: Reservation is done.

USER: Thank you for quick response.

ASSISTANT: Thank you.