Hi.
user
Hello, how can I assist you?
assistant
I need to book a ticket from IAD to ORD. Could you book a ticket?
user
Sure, may I know the travelling dates?
assistant
Travelling dates are from Apr, 26 to Apr, 28.
user
Do you have any connection limit?
assistant
I would prefer connecting flight.
user
Are there any other specifications?
assistant
I would like to return in the evening.
user
May I know your name?
assistant
My name is Stephen Perez.
user
 Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.
assistant
Thank you.
user
Thank you for availing us.
assistant