Hello, I am Christine Smith.
user
Hello, how can I help you?
assistant
I want to travel to Houston TX-HOU on 12/15 to enjoy snow storms at my grandmother house. Could you please help me in booking a flight ticket from Denver, CO-DEN and return on 12/17?
user
Ok sure, just let me check the flight availability.
assistant
Ok.
user
I am very sorry to inform you that there is no flight available during your visiting time. Sorry for the inconvenience. Hope to serve you better next time.
assistant
No problem, Thank you for the information.
user