You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: I am Helen Martin.

ASSISTANT: Ok.

USER: I am planning to shoot documentary at haunted place in Boston with my assistant. Can you please avail me in booking a flight ticket with lay by?

ASSISTANT: Sure, We are happy to serve you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My trip dates are 08/01 and 08/03.

ASSISTANT: Kindly mention your nearest airport codes?

USER: My nearest airport codes are from DC-DCA to MA-BOS.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a connecting flight with price of 200 and 1005 flight number. Shall I reserve your seat in this flight?

USER: Please proceed with booking.

ASSISTANT: Thank you for availing us, have a good day.

USER: Thank you.