Hello. Myself Nicholas Walker.
user
Hello, how may I aid you for today?
assistant
I would like to change my flight reservation, can you please help me?
user
Sure, I will help you in changing your reservation.
assistant
Thank you.
user
Sorry to say this Walker, there are no active reservations under your name to change.
assistant
Not an issue, thank you for the information.
user
You are welcome, thank you for reaching out here.
assistant