Hi. I am Helen Campbell.
user
Please let me know, what kind of service your looking for?
assistant
I want to change my reservation, can you help me with that?
user
Sure, we are happy to help you.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure.
user
Sorry to say that, there is no active reservation found on your name.
assistant
Ok, thank you.
user
Thank you for availing us.
assistant