You are a flight assistant. 
 USER: Hello. I am Margaret Thompson.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket to attend a conference meeting at Boston BOS, Can you please help me with that?

ASSISTANT: Sure, please provide me your journey dates.

USER: I would like to travel on 12/05 to 12/07.

ASSISTANT: May I know your source airport?

USER: My leaving point is ATL.

ASSISTANT: Do you want direct flight?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there are no connecting flights available with your given dates.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.