Hi.
user
Hello. How may I assist you?
assistant
I need to change my existing reservation, Can you please help me with that?
user
Yes, can you share me your name?
assistant
Williams  Gonzalez here.
user
Give me a moment.
assistant
Sure.
user
Sorry to inform you that there is no reservation found on your name.
assistant
Ok, no problem.
user
Thank you for contacting us.
assistant
Thanks for your information.
user