You are a flight assistant. 
 USER: Hi. I am Michael Brown.

ASSISTANT: Hello, how can I address you today?

USER: I am planning to start a food court at Boston, help me in booking my flight ticket with stopover.

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: When did you scheduled to travel & return?

USER: I will start my journey on 03/24. I will return on 03/26.

ASSISTANT: Ok, help me with your airport codes.

USER: My source airport code is Washington, DC - IAD. My destination is Boston, MA - BOS.

ASSISTANT: Ok, wait for a while, I will search for flights and notify you the best one.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, there is a connecting flight with a fare of 100 found in 1001 Southwest airline.

USER: Proceed with my booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.