You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I am Amy Rodriguez. Due to some emergency issues I want to cancel my reservation, so please help me.

ASSISTANT: Sure, give me a minute to check and revert to you.

USER: Ok.

ASSISTANT: Unfortunately, we didn't found any reservation matching your name.

USER: Not an issue, Thank you.

ASSISTANT: Thank you for being with us.