Hi, I am Amy Collins.
user
Hello, how can I assist you at this moment?
assistant
Owing to an emergency, my planned trip to Yosemite adventure with friends got postponed. So I request you to change my existing reservation.
user
Sure Collins, I will help you. Please wait for a while because I need to check your present status.
assistant
Sure.
user
Sorry, we did not find any reservation on name of Amy Collins.
assistant
Ok, not an issue. Thank you for your help.
user
Thank you for opting us, have a nice day.
assistant