You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Dorothy Adams. I want to change my recent reservation due to my football match was postponed.

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: Please wait. I will get back to you.

USER: Ok.

ASSISTANT: Thanks for your time. There was no reservation found on your name.

USER: Ok, Not an issue.

ASSISTANT: Thank you for opting us.

USER: Thanks for the information.

ASSISTANT: Have a good day.