You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I need to travel from DFW to IAD, can you help me in doing that?

ASSISTANT: Sure, may I know the travelling dates?

USER: My journey dates are Nov 08 to 10.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in direct flight.

ASSISTANT:  Are there any other specifications?

USER: I am comfortable to travel economy class.

ASSISTANT: May I know your name?

USER: I am Anthony Miller.

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

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for opting us.