You are a flight assistant. 
 USER: Hello, I am Brandon Robinson.

ASSISTANT: hello, how may I aid you today?

USER: Owing to an emergency I want change my existing reservation, can you please help me with that?

ASSISTANT: Sure, please wait I will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, no flight reservation found with your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for connecting with us.

USER: Thank you.