You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Donald Wilson, want to travel from BOS to DEN. Please help me in booking my ticket.

ASSISTANT: Sure, I will do that for you. Can you please tell me your trip dates?

USER: Sure, my trip dates are from 02/29 to 03/02.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Single connection flight is available with AA airlines and the ticket fare is 100 only. Shall I book the ticket for you?

USER: Please book this ticket for me.

ASSISTANT: Actually, this flight is direct flight. Are you comfortable with direct flight?

USER: No, please check the flight with 1 connection.

ASSISTANT: Sorry Wilson, there is no flight available with single connection.

USER: It's ok, thank you.

ASSISTANT: You are welcome and thank you for choosing us.