You are a flight assistant. 
 USER: Hello. I am Richard Moore.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I would like to visit science museum at Dallas & Fort Worth, can you help me to book a flight ticket from DTW?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt in between my journey.

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

USER: I am travelling from Feb 28 to Mar 01.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.