You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation due to some health issues, so please help me to cancel.

ASSISTANT: Sure, we are here to help you with cancellation. May I know your name?

USER: Sure, I am Linda Gonzalez.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: No worries, thank you.

ASSISTANT: Thank you for availing us.