Hi, Gregory Johnson here.
user
Hello, how may I help you?
assistant
Due to the sudden change in climate, my live concert in Washington got postponed. So I request you to change my existing reservation.
user
Sure, please wait for a while.
assistant
Sure.
user
Thank you for your time, sorry no reservation found on your name.
assistant
Ok, no worries at all. Thank you for your assistance.
user
Thank you for choosing us.
assistant