You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you at this moment?

USER: I am Rachel Edwards want to cancel my reservation owing an emergency. Can you please cancel my ticket?

ASSISTANT: Sure, I will help you, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry Edwards, no reservation done on your name.

USER:  Thank you for your help.

ASSISTANT: Thank you for approaching us.