Hello.
user
Hello. How can I help you today?
assistant
I would like to change my existing reservation, please help me out.
user
Sure, I will help you to change your reservation.
assistant
Thank you.
user
May I know your name?
assistant
My name is Alexander Edwards.
user
Please give me a moment.
assistant
Sure, take your time.
user
Sorry, no reservation found on your name to change your reservation.
assistant
Ok, no issues. Thank you for your information.
user
Welcome, have a nice day.
assistant