You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation due to heavy snowfall. Can you aid me with this?

ASSISTANT: May I know your name?

USER: My name is Janet King.

ASSISTANT: OK, please wait.

USER: Ok.

ASSISTANT: Sorry, no reservation was found on your name.

USER: Thank you.

ASSISTANT:  Thank you for opting us.