You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Patricia Collins. I want to change my reservation as my get together program got postponed. Can you help me?

ASSISTANT: Sure, hold on a minute.

USER: Ok.

ASSISTANT: There is no active reservation on your name.

USER: Ok fine, thanks for checking.

ASSISTANT: Thank you for opting us.