Hello.
user
Hello, how may I assist you?
assistant
I would like to change my reservation due to sudden plan change in the trip, as our friends planned to go on other dates, can you please help me by changing the ticket?
user
Sure, may I know your good name please?
assistant
Kathleen Clark here.
user
 We sorry to inform you that, we did not find any reservation with your name.
assistant
Ok, no problem, thank you for your information.
user
Thank you for contacting us. Have a great day.
assistant
Thank you.
user