You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Rachel Evans want to cancel my reservation  due to heavy rains.

ASSISTANT: Thank you for providing your details, please stand by I will check and revert you.

USER: Ok.

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

USER: Ok, thank you.

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