You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Ronald Roberts. Can you cancel my recent reservation?

ASSISTANT: Sure, I will help you with that, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Thanks for your patience, I could not find any reservation with your name. It's my pleasure.

USER: It's ok, thanks for checking my status of reservation.

ASSISTANT: Welcome.