You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you help me in booking a flight ticket from LAS to ATL?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: My travel dates are 12 to 14 of Dec.

ASSISTANT: Do you prefer a lay by in between your journey?

USER: I want a connecting flight.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: May I know your good name to proceed further?

USER: I am Sandra Williams.

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

USER: Oh! that very sad to hear, thank you.

ASSISTANT: Thank you for reaching us.