You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Carolyn Taylor. Due to some personal work, I would like to change my recent reservation. Can you help me with this?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait, let me check your reservation status.

USER: Sure.

ASSISTANT: Sorry Taylor, there is no active reservation on your name to change it.

USER: That's not a issue.

ASSISTANT: Thanks for approaching us.

USER: Thanks for your information and help.