You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Help me with booking ticket from LGA to BOS.

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

USER: Ok, my trip dates are from Mar 02 to 04.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, I am Dennis Parker.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.