Hi.
user
Hello.
assistant
I am Kenneth Martinez.
user
How can I assist you?
assistant
 I want to change my travel dates, due to some health problems I am unable to travel those dates, can you please change my reservation?
user
Sure Kenneth, please wait a moment.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
That's ok, thank you.
user
Thank you for approaching us.
assistant