Hi. William Brown here.
user
Hello, how may I assist you now?
assistant
Can you change my flight ticket reservation?
user
William Brown, please wait for a moment till I check with your previous booking status.
assistant
Sure.
user
William Brown, there is no active reservation by your name.
assistant
Not a problem.
user
Thank you for choosing us.
assistant
Thank you.
user
Have a nice day.
assistant