You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Having an important work, I want to cancel my recent reservation with the name of Frank Gonzalez.

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, There is no reservation found on your name.

USER: Ok. Thank you for your service.

ASSISTANT: Thank you for contacting us.