Hi.
user
Hello, how may I oblige you today?
assistant
I am Nicole Lopez. I would like to book a ticket from DCA to HOU, can you help me?
user
Sure, can you please share your journey dates that you prefer to travel?
assistant
My travel dates are 01/08 and 01/10.
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
No problem, thanks for checking.
user
 Your welcome.
assistant