You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this minute?

USER: Can you please help me in booking a flight ticket from BOS to ATL?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: I want to fly on Aug 11 and return on Aug 13.

ASSISTANT: May I know your name?

USER: Myself Katherine Anderson.

ASSISTANT: Do you have any other requirements?

USER: I need a single connection.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for approaching us.