Hello.
user
Hello, how can I help you?
assistant
I would like to visit Houston Zoo with my friends, please help me in booking a ticket from DEN to HOU.
user
May I know your desired travel dates please?
assistant
My planned travel dates are on Feb 13 and Feb 15.
user
May I know your name please?
assistant
My name is Brandon Lewis.
user
Do you have any specification?
assistant
I would like to depart in the afternoon.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
I prefer an economy class with single connection. Please check it once.
user
There is no flight available.
assistant
Ok, no issues. Thank you for your information.
user
Thank you for opting us.
assistant