You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, can you please provide me your name?

USER: Sure, my name is Betty King.

ASSISTANT: Sorry, there is no reservation with your given name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for your service.