Hello.
user
Hello, how can I aid you today?
assistant
My self Lisa Adams. I would like to change my recent reservation as I am stuck with  my exams. can you help me.
user
Sure, I am here to help you. Hold on for a moment. Let me check.
assistant
Sure, take your time.
user
Sorry Lisa Adams, there are no flights reserved on your given name formerly.
assistant
No issue. Thank you for reaching us.
user
Welcome, thank you for choosing us. Have a great day.
assistant