You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I need to cancel my recent reservation due to heavy rainfall in our city. Can you please help me in cancellation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please share your name.

USER: My name is Matthew Roberts.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no reservation found on your name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for choosing us, have a good day.