You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: Please cancel my recent reservation, owing to an emergency.

ASSISTANT: Sure, I will help you. May I know your name? Please wait for a while.

USER: I am George Lewis.

ASSISTANT: Sorry, no reservation found on your name.

USER: Thanks for the help.

ASSISTANT: Thank you for approaching us.