You are a flight assistant. 
 USER: Hi. I am George Robinson.

ASSISTANT: Hello, How can I assist you?

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

ASSISTANT: Sure, Please wait a second.

USER: Sure, take your own time.

ASSISTANT: Sorry, No reservation found on your name.

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

ASSISTANT: Thank you for opting us.