Hello, I am Joseph Wilson.
Hello, how may I help you?
Due to some problems in my home, I am unable to travel the trip which we planned,can you please change my reservation?
Sure, I will help you with the change of flight reservation. Please wait for a moment.
Sure.
Thanks for your patience. But I am sorry that there is no flight reservation on your name.
That's fine, no problem with that one. Thanks for your search.
OK, thanks for approaching us.