Hello.
user
Hello, how can I guide you for today?
assistant
I am Anderson Anderson. Due to my health problem I want to change my reservation, can you please help me to change my reservation?
user
Please give me a minute, I will check the status of your existing reservation.
assistant
Sure, take your own time.
user
Sorry, there is no reservation found under your name to change.
assistant
That's fine.
user
Thank you for contacting us, have a nice day.
assistant
Thank you for your service.
user