Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation, due to some health issue. Can you please help me out?
user
Sure, I am here to assist you. May I know your name?
assistant
My name is Lisa Smith.
user
Thank you. Please stay online for a while.
assistant
Sure, I will wait for your response.
user
Sorry, there is no reservation found under your name in our database.
assistant
That's ok, no problem. Anyway thank you for checking.
user
You are most welcome.
assistant