You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation, due to heavy rainfall at my destination. Can you please aid me with cancellation?

ASSISTANT: Please wait for a moment.

USER: Sure, my name is Michelle Green. Please check my reservation on specified name.

ASSISTANT: Sorry, there is no reservation matching with your name in our portal.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.