You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Stephen Hernandez, would it be possible to change my reservation to new locations?

ASSISTANT: Sure, I am here to help you to change that reservation, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I could not find any reservation with your name in our database.

USER: It's ok, thanks for your information.

ASSISTANT: You are welcome.