You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Amanda Roberts. I made a reservation earlier to visit museum of fine arts. Due to an emergency health issue I want to change my existing reservation. Can you please help me with this?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found with your name.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.