Hello.
user
Hello, how can I help you?
assistant
I want to change my existing reservation due to some health problem. Can you help in the changing the flight ticket?
user
Sure, may I know your name for checking?
assistant
Sure, I am Robert Perez here.
user
Give me a minute.
assistant
Sure.
user
Sorry, there is no active reservation found under your name.
assistant
Ok, not a problem. Thank you for your information.
user
Thank you for choosing us.
assistant