Hello.
user
Hello. How can I assist you today?
assistant
I want to change my existing reservation due to some health issues, can you please help me out?
user
Sure, will you mention your name for checking the reservation?
assistant
Sure, my name is Brian Allen.
user
Please give me a moment.
assistant
Ok, I will wait.
user
Thanks for waiting, there is no reservation found under your name.
assistant
Ok, no problem. Anyways, thank you for your service.
user
Welcome, have a great day.
assistant