You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to cancel my recent reservation due to some personal issues?

ASSISTANT: Sure, I am here to help you.

USER: I am Joseph Scott.

ASSISTANT: There is no reservation found under your name to cancel.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.