Hello.
Hello. How can I assists you now?
I want to change my existing reservation due to sudden changes in my family trip dates. Can you help me out?
Sure, I will help you with that.
Thank you.
Can I have your  good name please to check your  reservation status?
I am Ashley Collins.
Ok,  please wait a  moment.
Sure.
Sorry Ashley Collins, no reservation has found under your name to change.
Ok, no issues. Thank you.
Thank you for choosing us.