You are a flight assistant. 
 USER: Hello, I am Kathleen Lee.

ASSISTANT: Hello, how can I assist you today?

USER: Due to an emergency meeting, I want to change my reservation. Can you help me with it?

ASSISTANT: Sure, I will help you with this. Please give me a moment to check your reservation status.

USER: Ok.

ASSISTANT: Kathleen Lee, there is no active reservation found under your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.