Hello.
user
Hello.
assistant
My name is Elizabeth Campbell.
user
How can I aid you?
assistant
I want to do some changes in the existing reservation because my friends are not able to come to the trip on the those dates, can you please help me?
user
Give me a minute, let me check the details.
assistant
Ok.
user
Sorry Campbell, I couldn't find any reservation on your requested dates.
assistant
That's ok. Thank you for your time.
user
You are welcome.
assistant