You are a flight assistant. 
 USER: Hello. I am Linda Wilson.

ASSISTANT: Hello, how can I assist you today?

USER: As my meeting venue got changed to another place I need to change my reservation. Can you please help me out?

ASSISTANT: Sure, we are glad to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry we couldn't find any reservation with your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.