Hello.
user
Hello, how can I help you?
assistant
My name is Brenda Rodriguez. I would like to travel from DEN to OAK, could you help me out?
user
May I know your desired travel dates please?
assistant
My preferable dates are from 11/02 to 11/04.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
That's ok. Thank you for your help.
user
Thank you.
assistant