You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you in this moment?

USER: Myself Richard Jackson. I am looking for a flight from DFW to LGA, can you help me in booking?

ASSISTANT:  Sure, I can help you and can you please mention your departure and arrival dates of your journey?

USER: Sure, my planned travel dates are May 20 and May 22.

ASSISTANT: Do you want any halt in between your jouney?

USER: Yes, I need a connecting flight.

ASSISTANT:  Sure, is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: I want to start my journey for the evening flight, can you please look for it?

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

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you, for reaching us.