You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Due to heavy rain, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, can I know your name please to check the reservation status?

USER: Emma Mitchell here.

ASSISTANT: Sorry, there is no reservation found on your name to cancel.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for approaching us.