You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Larry Williams and I want to book he flight ticket from BOS to IAH.

ASSISTANT: Sure, may I know your journey dates?

USER: My travel dates are 11/11 and 11/13.

ASSISTANT: Do you need any break in your journey?

USER: I need a single connecting flight.

ASSISTANT: May I know your depart time and arrival time?

USER: I would like to return in the afternoon.

ASSISTANT: Do you have any other preferences?

USER: No preferences.

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

USER: Ok, thank you for the information.

ASSISTANT: Thank you for availing us.