Hello.
user
Hello, how may I assist you?
assistant
I am Kevin Lopez, can change my reservation which I did recently?
user
Sure, I will help you with the change of flight reservation.
assistant
Thank you.
user
Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it.
assistant
Thank you for searching the reservation records. That's ok.
user
Thanks for contacting us.
assistant