Hello.
user
Hello, how can I aid you?
assistant
I am Barbara Carter. Please book me a ticket from DEN to HOU to meet my family.
user
Sure, can you share your trip dates?
assistant
I have planned to travel on May 02nd and return on May 04th.
user
Do you have any preferences?
assistant
I would like to depart and return at morning time.
user
Do you have any other specifications?
assistant
Yes, I prefer economy flight.
user
Sorry, there is no flight on your given dates.
assistant
Ok, no problem. Thank you for you help.
user
Thank you for opting us.
assistant