You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, can you please tell me how can I assist you?

USER: I am Brandon Lee.

ASSISTANT: Ok.

USER: Owing to emergency I need to cancel my reservation, can you please help me out?

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry, Lee no reservation found on your name in my listing.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Most welcome.