You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me to book a flight from ATL to BOS?

ASSISTANT:  Sure, we are happy to help you. Can you please let me know your travelling dates?

USER: Sure, I want to travel on Aug 23 and need to return on Aug 25.

ASSISTANT: Please share your connection limit.

USER: I need a flight with single stopover.

ASSISTANT: May I know your good name please?

USER: Joseph Taylor here.

ASSISTANT: Please share your other specifications if you have.

USER: I do not have any other specifications.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for choosing us.