You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you today?

USER: I am not feeling well, could you please help me in changing my recent reservation?

ASSISTANT: Ok, I will help you with that. Can I know on what name you have reserved your ticket?

USER: Yes, my name is Ashley Young.

ASSISTANT: Please wait for a while.

USER: Ok, please make it fast.

ASSISTANT: Sorry, I did not find any active reservation on your name to change.

USER: Nothing to worry, thanks for your information.

ASSISTANT: Thank you for connecting with us. Have a great day.