Hello. I am Shirley King.
user
Hello, how can I assist you today?
assistant
Can you Please change my existing reservation? As my planned trip has been postponed.
user
Sure, please wait for a moment.
assistant
Sure.
user
Sorry to say that, no reservation was found with your good name.
assistant
Oh! May be I made a wrong reservation, anyways thank you.
user
Thank you for reaching us.
assistant