You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a ticket from DEN to DFW, can you please help me with that?

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

USER: The travel dates are from 03/27 to 03/29.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Frank Miller here.

ASSISTANT: Let me know your connection limit?

USER: I need a flight with 1 connection limit.

ASSISTANT: Do you have any other requirements?

USER: I prefer economy class.

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

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for choosing us.