Hi.
user
Hello. How may I aid you?
assistant
Due to some emergency work, I need to change my existing reservation that I made earlier to go for holiday trip. Can you help me in doing that?
user
Can you please share your name?
assistant
My name is Robert Thompson.
user
No reservation found on your name for changing.
assistant
It's ok, not an issue.
user
Thank you.
assistant
Thank you for the information.
user