You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I give your assistance today?

USER: My interview has been postponed, I want to change my reservation. Can you please check the reservation on the name of Kathleen Davis?

ASSISTANT: Sure, we are here to help you. Please give me a moment to check the reservation list.

USER: Sure.

ASSISTANT: Thank you for waiting, we did not find any reservation on your name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for availing us.