Hello.
user
Hello, how may I serve you at this moment?
assistant
I am Brian Martin want to change my reservation owing an emergence. Can you help me in changing?
user
Sure, we are here to help you. May I know on which name the ticket has been reserved? Sorry, please wait for a while.
assistant
Ok, I will wait.
user
Sorry to inform you that, we couldn't find any reservation with your name in our database.
assistant
Ok, no issues. Thank you for availing me.
user
Thank you for reaching us.
assistant