Hi.
user
Hello,. How can I help you today?
assistant
Can you help me to change my existing reservation?
user
Sure, can I have your name please?
assistant
I am Helen Jones.
user
Ok, please wait for a while.
assistant
Sure.
user
Thanks for waiting, there is no active reservation on your given name.
assistant
It's ok, thank you.
user
Thank you for opting us.
assistant