You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: Can you help me to book a flight ticket from LAS to DEN?

ASSISTANT: Sure, may I know the travelling dates?

USER: I will start on Jan, 2 and return on Jan, 4.

ASSISTANT: Do you have any connection limit?

USER: I need connecting flight.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Rebecca Taylor here.

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

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for opting us.