Hello,.
Hello, how may I serve you today?
Can you help me in changing my existing reservation due to my misplace of dates in previous reservation?
Sure, could you please share your name to proceed further?
I am Barbara Clark.
Ok, please wait for a while, let me check your reservation with us and get back to you.
Sure.
Thanks for your valuable time, sorry, unfortunately no reservation found with your name.
Ok, no problem. Thank you for assisting me.
Thanks for reaching us, have a great day ahead.