You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from DEN to BOS?

ASSISTANT: Sure, please share your planned trip dates?

USER: My planned travel dates are Dec 16-18.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: May I know your name?

USER: I am Barbara Adams.

ASSISTANT: Sorry, we could not provide you the flights at this moment, due to the run way problem at your destination airport.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.