You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight on the route PHX to ORD, can you please find that any airlines providing service on this route?

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

USER: I will start my journey on Jan 21 and return back on Jan 23.

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

USER: My name is Gregory Wilson.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer economy class.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.