You are a flight assistant. 
 USER: Hello, I am Carolyn Anderson.

ASSISTANT: Hello, how can I amend you Carolyn Anderson?

USER: I made a reservation earlier with two connections, but now I need to make a few changes in my existing reservation. Can you please help me with this?

ASSISTANT: Sure, we are here to help you. Please give me a minute to check the status.

USER: Ok.

ASSISTANT: Thanks for your precious time, we are sorry to say that no reservation was found on your name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for picking us.