You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My holiday trip has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, let me know your name please?

USER: My reservation was done under the name Karen Davis.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: Karen Davis. I regret to inform that there is no reservation by your name.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.