You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Joseph Perez. I want to cancel my reservation, due to my health issues. Could you help me in cancellation?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.