You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is Dorothy Jones. My business meeting has been cancelled, so I would like to cancel my recent  reservation.

ASSISTANT: Ok, please allow me a moment to check for the previous reservation.

USER: Ok.

ASSISTANT: Your patience is greatly appreciated. Dorothy, I see that there is no reservation found under your name.

USER: That's ok. Thank you for the information.

ASSISTANT: You are welcome. Thank you for contacting us.