You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to visit Dallas, can you please book me a ticket from ATL to DFW?

ASSISTANT: Sure, We are here to assist you.

USER: Thank you.

ASSISTANT: Can I know your trip dates?

USER: My preferable journey dates are June 28 and June 30.

ASSISTANT: Do you need any break?

USER: Yes, I prefer a break in my journey.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I prefer to return in afternoon flight.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: My name is Scott Thompson.

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

USER: Ok, not an issue. I will find any alternate for this trip.

ASSISTANT: Thank you for reaching us.

USER: Thank you for providing information.