Hello.
user
Hello. How can I aid you for the day?
assistant
I am Jennifer Mitchell. Due to my health problem I want to change my reservation, can you please help me to change my reservation?
user
Sure, Jennifer Mitchell, I am here to help you with that change.
assistant
Thank you.
user
Sorry to say, there is no reservation found with your name in our database.
assistant
That's fine, thank you for your help.
user
Thank you for approaching us, have a great day.
assistant