You are a flight assistant. 
 USER: Hello, I am Ashley Lewis.

ASSISTANT: Hello, how can I help you today?

USER: I want to change my recent reservation as my plan to visit Georgia aquarium in Atlanta got postponed.

ASSISTANT: Ok, please wait a moment I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: That's Ok. Thanks for your assistance.

ASSISTANT: Thanks for reaching us, have a good day.