Hello. William Collins here.
user
Hello, good morning. How can I assist you today?
assistant
Please help me in changing my reservation, since i am unable to catch the flight because of the health issue.
user
Sure, hold down for a moment.
assistant
Ok.
user
There is no reservation by your name.
assistant
That's ok, thanks for your time.
user
Thank you for contacting us, have a nice day.
assistant
Welcome.
user