You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from SEA to IAD as a business trip, can you help me to make a reservation?

ASSISTANT: Sure, may I know the travelling dates?

USER: My travel dates are Sept, 6 and Sept, 8.

ASSISTANT: Do you have any connection limit?

USER: I would prefer single connection.

ASSISTANT:  Are there any other specifications?

USER: I prefer to depart at morning time.

ASSISTANT: May I know your name?

USER: Catherine Harris here.

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

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for opting us.