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