Hi, I am Joshua Mitchell.
Hello. How may I support you today?
Owing to an emergency, my planned trip to Yosemite adventure got postponed.
Ok.
So I want you to change my existing reservation.
Sure, I will help you in changing your reservation. Please, wait a moment.
Sure.
Thanks for waiting. Sorry to inform you that, I did not find any reservation on your name in our reservation list.
Ok, not an issue. Thank you for your assistance.
Thank you for reaching us.