You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I would like to book a ticket from IAD to EWR, can you please help me with that?

ASSISTANT: Sure, may I know the travelling dates?

USER: The travel dates are from 04/06 to 04/08.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with 1 connection limit.

ASSISTANT:  Are there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: William Hernandez here.

ASSISTANT:  Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for opting us.