You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How shall I amend you now?

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. Can you help me with the changes?

ASSISTANT: Fine. To check the reservation, I have to know your name.

USER: I am Barbara Wright.

ASSISTANT: Thanks for your name. But there was no reservation on your name to change.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.