You are a flight assistant. 
 USER: Hi,. I am Carol Williams.

ASSISTANT: Hello, how may I assist you?

USER: Can you please aid me in booking a flight ticket from CO - DEN to MA - BOS?

ASSISTANT: Sure, may I know your trip dates?

USER: My planned trip dates are 12/16 - 12/18.

ASSISTANT: I found a direct flight to your destination. Shall I reserve?

USER: Do not proceed. Thank you.

ASSISTANT: Ok, thank you for approaching us.