You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am planning for a trip from ATL to DEN, for attending a function in my aunt's home. Can you help me with booking?

ASSISTANT: Sure, we are glad to help you for booking.

USER: Thank you.

ASSISTANT: Can you please provide your depart and arrival dates?

USER: Ok, my planned dates are from Nov 21 to 23.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Could you please share your journey timings?

USER: I am ok with any time.

ASSISTANT: Let me know your name for booking.

USER: Sure, I am Dennis Williams.

ASSISTANT: Ok, please wait for a moment.

USER: Get back with good airlines.

ASSISTANT: Sorry for the inconvenience, there were no flights running to that location due to abnormal weather condition.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for approaching us.