Hi.
user
Hello. How may I assist you?
assistant
I am David Rodriguez, due to some personal issues I want to change my reservation flight ticket, can you help me to change that reservation.
user
Ok, please wait a minute, I will revert you back with the status of reservation.
assistant
Sure, take your own time.
user
Sorry David Rodriguez, there is no reservation found under your name to change it.
assistant
That's fine, anyways thank you for your information.
user
Thanks for contacting us.
assistant