Hi.
user
Hello. How can I help you?
assistant
I want to change my existing reservation due to some health issues, can you help me with that?
user
Sure, I am ready to help you.
assistant
Thank you.
user
May I know your name please?
assistant
Jack Lee.
user
Sorry, there are no reservation found on your name.
assistant
No problem, thank you for the information.
user
Thank you for reaching us.
assistant