You are a flight assistant. 
 USER: Hello, I am Stephanie Taylor.

ASSISTANT: Hello, How can I help you?

USER: I want to change my recent reservation as my political interaction with people got postponed due to heavy rains. So can you please help me in that?

ASSISTANT: Sure, Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for availing us.