Hello.
Hello, how may I help you?
Can you help me to change the reservation I had done recently?
Sure, I can help you. May I know your name?
My name is Jack Miller.
Thank you. Please wait, let me check your reservation status.
Ok, please take your own time.
Sorry, there is no reservation found under your name in our database.
Ok, thank you for assisting me. May be my brother had change it for me.
You are welcome and have a nice day.