You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Please help me to book a flight ticket from ORD to SFO.

ASSISTANT: May I know your itinerary dates please?

USER: My journey dates are Sept, 14 and Sept, 16.

ASSISTANT:  May I know your preferable journey timings?

USER: No, thanks.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I am looking for connecting flight.

ASSISTANT: May I know your name?

USER: Margaret Miller.

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

USER: That's ok, thank you.

ASSISTANT: Welcome Margaret Miller.