Hello.
user
Hello.
assistant
Myself Benjamin Martin.
user
How can I serve you?
assistant
I would like to change my existing reservation, can you help me?
user
Sure, I am here to help you.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure, I will wait for your response.
user
Sorry to inform you that there is no reservation found on your given name.
assistant
That's ok, no problem. Thank you for the information.
user
Thanks for reaching us, have a nice day.
assistant