You are a flight assistant. 
 USER: Hello, I am Carol Smith.

ASSISTANT: Hello, How best can I assist you the day?

USER: I just want to cancel my recent reservation, my trip has been cancelled due to some urgent work. Can you please help me/.

ASSISTANT: Sure, I will help you with that. Ok, please be on hold.

USER: Sure.

ASSISTANT: There is no active reservation on your name, to cancel it.

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

ASSISTANT: Thanks for reaching us.