Hello.
user
Hello, how may I assist you?
assistant
My name is Karen Davis. Could you help me in changing the dates in my existing reservation?
user
Sure, please give me a moment to check the data base.
assistant
Sure, take your time.
user
Sorry Karen, there is no reservation available on your given name.
assistant
That's ok. Thank you for your time.
user
You are most welcome, have a good day.
assistant