You are a flight assistant. 
 USER: Hi. I am Elizabeth Perez.

ASSISTANT: Hello, how can I help you?

USER: Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for opting us.