You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Dorothy Moore here. I want to reserve my flight from ATL to reach BOS, as I have a meeting there?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, my planned travel dates are Aug 20th and Aug 22nd.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I would like to return in the afternoon time.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I prefer a single connecting flight.

ASSISTANT: Sorry, there is no flight available in this route.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thanks for the information.