You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: I am Ronald Wilson. I want to cancel my recent reservation due to cancel of my client meeting.

ASSISTANT: Ok. I will help you in that. Please wait for a while, I will check your reservation.

USER: Sure.

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

USER: No problem, thank you for your help.

ASSISTANT: Thank you for contacting us.