Hello, Mary Mitchell here.
Hello. How can I help you Mary? How can I help you?
Actually, last week I booked my ticket.But, unfortunately there is a small change in my travelling dates. So, will you please help me in changing my existing reservation?
Sure, can I know your name please?
Already I mentioned my name in the beginning itself.
Sorry, there is no reservation found under your name.
It's alright.
Thank you for reaching us, have a good day.