You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you?

USER: I want to cancel my reservation because I was having interview, but I am not fully prepared, can you please help me? My reservation is named with Scott Hall, please search with my name.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry, no reservation has been found on your name.

USER: Ok, that's fine.

ASSISTANT: Thank you for choosing our services.

USER: Thank you for your information.