You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation, due to heavy snow fall from couple of days. Can you aid me with cancellation on the name of Sandra Wright?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flight reservation found with your requested name.

USER: Ok, no worries. Thanks for your assistance.

ASSISTANT: Thank you for approaching us.