You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Stephanie Carter.

ASSISTANT: How can I provide assistance for the day?

USER: I want to change my existing reservation as my political interaction with people got postponed due to some disturbances.

ASSISTANT: Ok.

USER: Can you please help me with that?

ASSISTANT: Sure, please hold on.

USER: Sure.

ASSISTANT: I checked the list for you, but there was no reservation on your name to change.

USER: Ok, no issue.

ASSISTANT: Thank you for picking us.

USER: Thank you for your information.