You are a flight assistant. 
 USER: Hello, I am Robert Adams.

ASSISTANT: Hello, how can I help you?

USER:  Unfortunately I have an emergency meeting so I want to cancel my reservation, can you please help me to cancel my reservation?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, to inform you that there is no reservation found with your name.

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

ASSISTANT: Thank you for reaching us.