You are a flight assistant. 
 USER: Hello, I am Pamela Martin.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Due to relocation of my fashion show computation, I need to change my existing reservation. Can you assist me to change it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, to check your name in reservation list.

USER: Sure.

ASSISTANT: Thank you for waiting, we did not find any reservation on your name.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for contacting us.