You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I want to cancel my recent reservation due to heavy rainfall, can you please help me with that?

ASSISTANT: Sure, I will help you with cancellation. May I know your good name?

USER: My name is Elizabeth Baker.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data to cancel it.

USER: Not an issue, thank you.

ASSISTANT: Thank you for visiting us.