You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to cancel my recent reservation due to bad weather condition. Can you please help me with that?

ASSISTANT: Sure, I will help you. Please wait a moment to check your previous reservation status.

USER: Sure, my name is Donna Anderson. Take your time.

ASSISTANT: Sorry to inform you Donna, there is no previous reservation found with your name in our records.

USER: Ok, no issues. My sister might have cancelled my reservation. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us, have a great day.

USER: You are welcome.