Hello. Catherine Collins here.
user
Hello, can you please tell me how may I aid you at this moment?
assistant
I want to do some changes in the existing reservation because my friends are not able to come on the those dates, can you please help me?
user
Ok, sure.I can search for you with that. Sorry, no reservation found on your name.
assistant
That's ok.
user
Thank you for contacting us.
assistant
Anyways, thank you for your time.
user
You are welcome.
assistant