Hello.
user
Hello. How can I assist you at this moment?
assistant
Could you please help me to update my travelling dates in my existing reservation?
user
Sure, I am happy to help you with that.
assistant
Thank you.
user
Can I have your good name please to check your reservation status?
assistant
I am Dennis Garcia.
user
Ok, please wait a  moment.
assistant
Sure.
user
Sorry Dennis Garcia, no reservation has found under your name to update your dates.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for choosing us, have a good day.
assistant