Hi.
user
Hello. How may I assist you today?
assistant
Can you please help me to change my existing reservation?
user
Sure, Can you please mention your name for checking your details.
assistant
I am Justin Lopez.
user
Please wait a moment.
assistant
Ok.
user
Sorry, there are no active reservations on your given name to change.
assistant
Ok, no problem. Thank you.
user
Thank you for reaching our service.
assistant