You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to cancel my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, may I know your name?

USER: Myself Brian Hill.

ASSISTANT: Please wait for a minute.

USER: Ok, I will wait.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.