You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Stephanie Taylor. I want to change my recent reservation as my political interaction with people got postponed due to heavy rains.

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Sure.

ASSISTANT: Sorry Stephanie Taylor, there is no reservation on your name.

USER: No problem, thank you.

ASSISTANT: Thank you.