You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, Welcome to airline services.

USER: My name is Deborah Miller.

ASSISTANT: How can I provide assistance to you?

USER: To exhibit my arts at museum of fine arts which is at Boston, for this I want to go to Boston.

ASSISTANT: Ok.

USER: Will you help me in ticket booking to go to  BOS?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: Ok. My journey starts on 02/09 and ends on 02/11.

ASSISTANT: May I know your source airport code?

USER: My source airport code is IAD.

ASSISTANT: Do you have any specifications to met?

USER: Yes, I have 1 connection in between my journey.

ASSISTANT: Please hold on for a moment, I will check the availability of flights.

USER: Sure. Make sure that my price limit is to be 500.

ASSISTANT: Ok. Thanks for your patience. Sorry to say that there are no flights available with your criteria.

USER: Ok, no problem. Thank you for your kind help in booking a ticket to me.

ASSISTANT: Thank you for availing us. Have a great day ahead.

USER: Thank you.