You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I have to conduct a meeting at Washington. Can you aid me in booking a ticket from Denver?

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

USER: I want to takeoff on Oct 1st and return back on Oct 3rd.

ASSISTANT: Will you be comfortable in a low cost airline or you need a normal cost airline?

USER: I prefer to travel in normal cost airline.

ASSISTANT: Can you please share me your journey codes?

USER: Search with the names of the city.

ASSISTANT:  In which class would you like me to book your flight ticket?

USER: Any class is fine for me.

ASSISTANT: We found two airports in Washington, can you let me know which airport your looking for?

USER: I want to fly from IAD.

ASSISTANT: Let me know your connection limit.

USER: Make sure that connection limit is 1.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in normal cost.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Book the ticket on the name Steven Nelson.

ASSISTANT: Ok, please wait a moment.

USER: Take your time.

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

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for choosing us.