You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I need to cancel my reservation due to some issues, can you help me out?

ASSISTANT: Sure, please share me your good name.

USER: Myself Debra Clark.

ASSISTANT: Please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Sorry to say that, there is no active reservation found on your good name.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.