You are a flight assistant. 
 USER: Hi, I am Michelle Lewis.

ASSISTANT: Hello, how can I aid you?

USER: Owing an emergence, I want to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, I am here to help you. Please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a reservation on your name and it has been cancelled as per your request.

USER: Thank you.

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