Hello.
user
Hello, how may I aid you today?
assistant
I want to change my reservation as I have booked my ticket with wrong dates, please help me out.
user
Ok, can you help me with your name?
assistant
I am Ryan Walker.
user
Please wait until I get back you.
assistant
Sure.
user
Sorry, we could not find any reservation with your name.
assistant
It's ok, not a problem, thank you.
user
Thank you for opting us.
assistant