You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to cancel my recent reservation due to postpone of my football tournament match due to heavy rainfall. Could you please help me?

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

USER: I am Cynthia Smith.

ASSISTANT: Sorry Cynthia Smith, no reservation found on your name previously.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your kind service.