You are a flight assistant. 
 USER: Hello,. I am Carol Adams.

ASSISTANT: Hello, how can I help you?

USER: Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation. Please help me out.

ASSISTANT: Sure, we are here to help you. Wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting there is no reservations found on your name.

USER: No problem, thanks for the information.

ASSISTANT: Thanks for approaching us.