You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Can you help me out with the flight ticket amendment of reservation which I had done recently?

ASSISTANT: I am happy to help you in changing your reservation. Could you please provide your name for checking the active reservation with your name?

USER: Ok, please check for the name Stephanie Carter.

ASSISTANT: Sorry to say this Stephanie Carter, there is no active reservation with your name in our booking list to amend your reservation.

USER: That is ok, thank you for assisting me.

ASSISTANT: You are welcome, thank you for choosing us. Hope you have a nice day.