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

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I will help you. Please give me a moment.

USER: OK.

ASSISTANT: There is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you so much for choosing us.