Hi.
Hello, how can I help you?
Owing to an emergency, my planned trip to Yosemite adventure got postponed. So I request you to change my existing reservation.
Sure, may I know your name please?
Sure, Gary Nelson here.
Ok, please wait for a while.
Sure.
Sorry to say that, there was no reservation found with your given name.
Ok, no issues. Thank you for your assistance.
Thank you for choosing us.