Hello,.
user
Hello. How can I help you?
assistant
I am Stephen Phillips. I want to change my existing reservation due to some issues, can you please help me with that?
user
Sure, I will help you to change your reservation.
assistant
Thank you.
user
Please give me a moment.
assistant
Sure.
user
Sorry, no reservation found on your name to change your reservation.
assistant
Ok, not an issue. Thank you for your information.
user
Welcome, have a nice day.
assistant