Hi.
user
Hello, how may I help you?
assistant
I need to book a ticket from DFW to IAH. Could you book a ticket?
user
Can you please share your trip dates?
assistant
Departure is Dec, 24 and return date is Dec, 26.
user
Do you have any other requirements?
assistant
I would like to return in the afternoon.
user
 Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.
assistant
Thank you.
user
Thank you.
assistant