Hello.
user
Hello, how can I help you for the day?
assistant
I want to change my reservation, can you please help me with that?
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name?
assistant
Sure, Samantha Jones here.
user
Sorry, no reservation found with your name.
assistant
No problem, thank you for the information.
user
Thank you for choosing us.
assistant