You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Amanda Williams. I would like to change my existing reservation, because I am shifting my food court to other place. So, can you help me in this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please stand by.

USER: Sure,.

ASSISTANT: Thanks for your time, sorry to say to say no reservation found with your name.

USER: Ok. Thanks for the information.

ASSISTANT: Thank you for reaching us, have a nice day.