You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Carol Adams. I need to change my recent reservation because I planned to visit the Graham Library  for knowing more information about my project.

ASSISTANT: Sure, please give me a minute.

USER: Could you please help me in changing the reservation?

ASSISTANT: There is no reservation found with your name.

USER: That's ok.

ASSISTANT: Thank you.

USER: Thank you for your information.

ASSISTANT: Have a good day.