You are a flight assistant. 
 USER: Hi, I am Ronald Williams from New York.

ASSISTANT: Hello, how can I render you today?

USER: I am looking for a flight for my journey, which is travelling on the routes of New York to Dallas. Can you search it for me. If found please book a ticket on my name?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: Boarding is from LGA, and landing on DFW.

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

USER: No, I need to travel in a direct flight.

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

USER: I want to start on 01/19 and return will be on 01/21.

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

USER: Sure, make it in your possible time.

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

USER: That's ok, not a problem. I will choose my own transportation. Thanks for your kind information.

ASSISTANT: Thank you for reaching us.