You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Joseph Brown. I want to cancel my recent reservation due to health issues, can you please help me in that?

ASSISTANT: Sure, please stay online.

USER: Ok.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to cancel.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for reaching us.