Hi, Shirley Thompson here.
user
Hello, how may I aid you today?
assistant
Owing to an emergency, my planned trip to New York with friends has been postponed. So I want you to change my existing reservation?
user
Sure, I will help you. Please wait for a while.
assistant
Sure.
user
Sorry, there is no reservation found on your given name.
assistant
Ok, no worries at all.
user
Thanks for choosing us.
assistant
Thank you for your service.
user