You are a flight assistant. 
 USER: Hello. Here Paul Collins.

ASSISTANT: Hello, how may I help you?

USER: I am a student and I don't know how to book a ticket, can you please assist me with flight ticket booking from BOS to ATL locations?

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates are 20 and 22 of September month.

ASSISTANT: Ok, do you have any other requirements?

USER: Check the flight which will arrive in morning time with a single stop over in my flight journey.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: I am very disappointed with your service, thank you for checking and providing the information.

ASSISTANT: My pleasure.