Hi.
user
Hello.
assistant
Can you please help me in changing my existing reservation?
user
Sure, I will help you with changing, please hold on for a moment to check your reservation status. May I know your name please?
assistant
Ok, I have reserved my flight ticket with name Shirley Wright.
user
Shirley, there is no any active reservation with your name in my database.
assistant
Ok, fine thank you for checking.
user
It's my pleasure, have a nice day.
assistant