Hi.
 Hello, How exactly I can serve you the best today?
I need to change my trip dates in my recent reservation, can you serve me in changing this?
Sure, I will help you with that.
Thanks.
May I know your name to check your details in our database?
Lisa Evans is my name, you can check with this.
Please wait a while.
OK.
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
OK. Not a problem, Thanks for your time with us.
Thank you for choosing us.