You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I am planning to travel from LAX to ORD, help me in booking a flight?

ASSISTANT: Sure, we are here to make make your journey comfort. Kindly mention your planned travelling dates to proceed further.

USER: My travelling dates are Jan 01 to 03.

ASSISTANT: Do you need a break in between your journey?

USER: I prefer single break.

ASSISTANT: May I know if you have any class preference?

USER: I don't have.

ASSISTANT: Is there any other preferences ?

USER: No.

ASSISTANT: Thank you for sharing your journey details, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's ok, thank you.

ASSISTANT: Thank you for availing us.