You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Could you please help me to change an existing reservation due to heavy floods in my city?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I made a reservation earlier with the name Kathleen Young.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you.