Hello.
user
Hello, how can I help you?
assistant
Can you please help me to book a flight from DCA to HOU?
user
Sure, may I know the travelling dates?
assistant
My travel dates are Oct 01 to 03.
user
Do you have any connection limit?
assistant
I prefer connecting flight.
user
 Are there any other specifications?
assistant
No.
user
May I know your name?
assistant
I am Michael Lee.
user
Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.
assistant
No problem, thank you for the information.
user
Thank you for opting us.
assistant