Hello.
user
Hello. How can I help you?
assistant
I want to change my existing reservation, as most my friend a travelling to some other place. Can you please help me?
user
Can you please tell your name to check your reservation details?
assistant
Yes, I am Samantha Moore.
user
Sorry, there is no reservation found by your name.
assistant
That's ok. Thank you for your information.
user
Thank you and have a nice day.
assistant