You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Margaret Campbell, can you help me to change my reservation to ATL. I had to change the location. So can you help?

ASSISTANT: Sure, please wait a while.

USER: Ok, thank you for assisting me. I will wait.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: That's ok, thank you for assisting me with the information.

ASSISTANT: Thank you for opting us. Have a nice day.