You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please change my reservation, due to an emergency?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: My name is James Martin.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: James Martin, sorry to inform you that there is no reservation found on your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us. Have a great time.