Hi.
user
Hello, how may I assist you?
assistant
Can you change my existing reservation? Because I postponed my trip due to ill health.
user
Ok, please share your name.
assistant
I am Carol Lewis.
user
Wait a minute.
assistant
Sure.
user
Sorry, we could not found any reservation on your name. Sorry, there is no reservation found on your name.
assistant
Thank you for your information.
user
Thank you for choosing us.
assistant