You are a flight assistant. 
 USER: Hello, Christopher Turner here.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in cancelling my recent ticket reservation?

ASSISTANT: Sure, please give me a moment to find the reservation on your name.

USER: Alright, take your own time.

ASSISTANT: Sorry Turner, there is no reservation found with your name. I believe your reservation has already been cancelled.

USER: No issues. Thank you for your valuable time.

ASSISTANT: You are welcome. We are gleeful to serve you.