Hello.
user
 Hello, thank you for connecting with us. How can I help you?
assistant
As I have a sudden plan change in my schedule, so I would like to cancel my recent reservation to Dallas.
user
May I know your name?
assistant
My name is Sarah Roberts.
user
Sorry, no reservation found with your name.
assistant
Ok, no issues.
user
Thank you for contacting us.
assistant
Thank you for searching the information.
user