Hello, I'm Kenneth Taylor.
user
Hello, how can I help you?
assistant
I would like change my existing reservation due to an emergency, so could you please help me out?
user
Sure. I have found your previous reservation. Can you please provide your new source and destination details?
assistant
I would like to travel from DEN to LAS.
user
Ok, may I know your new planned travelling dates?
assistant
My preferable dates are 02/10 and return on 02/12.
user
Sorry, no flights found as per your planned dates.
assistant
That's ok. Thank you.
user
Thank you for approaching me.
assistant