Hello.
user
Hello, do you need any help from us?
assistant
I am Timothy Wilson. Due to my health problem I want to change my reservation, can you please help me to change my reservation?
user
Sure, please allow me a moment.
assistant
Sure.
user
Sorry, there is no reservation with your name in our portal to make changes.
assistant
That's fine. Thank you for your service.
user
Thank you for consulting us, have a great day.
assistant