Hello, Carol Moore here.
user
Hello Carol, how may I help you?
assistant
I want to change my reservation as my friend met with an accident, can you please do that for me?
user
Sure, please give me a moment to check your ticket status.
assistant
Sure, I will wait for your response.
user
Sorry, no reservation is available by your name.
assistant
No problem, anyway thank you for checking.
user
Thank you for choosing us.
assistant