You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my reservation which is done recently due to some problems, can you please help me in this?

ASSISTANT: Sure, may I know your name to check with the status?

USER: Sure, my name is James Smith.

ASSISTANT: Sorry, there is no active reservation found under your name to cancel.

USER: Ok, not an issue. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us.