You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Virginia Perez. I want to cancel my reservation, due to my family tour trip was postponed.

ASSISTANT: Sure, please wait for few minutes, let me check and revert you.

USER: Sure.

ASSISTANT: There is no reservation with your name.

USER: Thanks for your quick response.

ASSISTANT: Thank you, for reaching us.