You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I address you today?

USER: Due to sudden changes in weather at my source point, I want to cancel my recent reservation. Will you help me in that?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Thanks. My name is Alexander Lee.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks for approaching us.