You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I just want to cancel my reservation due to sudden fallen ill. Can you help me in this?

ASSISTANT: Sure, may I know your name?

USER: Ok, Ruth Mitchell is my name.

ASSISTANT: Sorry, there was no reservation found with your name.

USER: Ok, not an issue.

ASSISTANT: Ok, thank you for opting us.

USER: Thanks for reaching us, have a nice day.