Hi.
Hello, how may I help you?
I would like to change my existing reservation. Can you help me in this?
Sure, we are here to help you.
Thank you.
Can I have your name to check your details in our database?
I am Lisa Miller.
Ok, please wait a moment.
Sure.
Lisa Miller, we have tried a lot but couldn't found any reservation on your name to do modifications.
Ok, thank you for your information.
Thank you for contacting us.