Hello.
user
Hello, how may I serve you today?
assistant
I am Lisa Lewis. I want to change my reservation, can you help me?
user
Glad to meet you, Lisa. I am here to help you. Please wait for a mean while.
assistant
Sure.
user
Sorry Lisa, there is no reservation found as per your name to change your reservation.
assistant
That's ok, thank you for your information.
user
You are welcome.
assistant