Hi.
Hello, how can I help you?
I would like to book a ticket from SFO to IAD. Could you book a ticket?
Sure, may I know the travelling dates?
Departure is on May, 20 and return date is May, 22.
Do you have any connection limit?
I would be comfortable with single stop over.
 Are there any other specifications?
I prefer normal-cost airlines.
May I know your name?
My name is Frank Harris.
 Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.
Thank you.
Thank you for opting us.