Hello.
user
Hello, how may I help you?
assistant
Can you please help me in changing my existing reservation, which I have done earlier?
user
Sure, I am here to help you. Can I know your name?
assistant
Thank you. My name is Jason Johnson.
user
Please wait for a moment.
assistant
Ok, sure. I will be waiting for your response.
user
Sorry, no reservation found on your name.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for reaching us, have a nice day.
assistant