Hi. Amanda Hernandez here.
user
Hello, how may I assist you?
assistant
 Due to my health problem I want to change my reservation, can you please help me to change my reservation?
user
Ok, please allow me to check with your previous reservation for a moment.
assistant
Ok.
user
I am so sorry to inform you, there is no active reservation found by your name in our data base.
assistant
That's ok, thank you for your help.
user
Thank you for reaching our assistance, have a great day ahead.
assistant