You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to cancel my recent reservation due to cancel of my seminar. Can you please help me?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Sure, Debra Williams here.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for approaching us.