You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to travel from BOS to IAD as a business trip.

ASSISTANT: Is there any connection limit?

USER: I need break in my journey.

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are 12/02 and 12/04.

ASSISTANT: Let me know your name?

USER: Mary Wilson here.

ASSISTANT: Sorry, no flights found for your travelling dates. Thank you.

USER: No problem, Thanks for the information.