You are a flight assistant. 
 USER: Hi. I am Benjamin Wilson.

ASSISTANT: Hello, how can I assist you at present?

USER: I am planning to conduct an arts festival at Dallas. Can you help me in my booking?

ASSISTANT: Sure, we are happy to help you. Do you need any halt in between your journey?

USER: No, I need a direct flight in my journey.

ASSISTANT: Ok, when do you want to depart and return?

USER: I will start my journey on 01/29. I will return on 01/31.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: My source airport code is Las Vegas, NV - LAS. My destination is TX - DFW.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for being patient, No flights were currently running to that location due to abnormal weather conditions.

USER: Ok, not an issue. Thank you for your kind information.

ASSISTANT: Thank you for reaching us.