Hi. I am Brenda Hernandez.
user
Hello, how can I help you today?
assistant
Can you please help me in modifying my flight ticket reservation that I am unable to travel on those dates?
user
Sure, please wait for a moment.
assistant
Sure.
user
Sorry to say that, no reservation was found with your good name.
assistant
Ok, no problem with that one. Thank you for your service in providing your information.
user
Thank you for opting us.
assistant