You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: I am heading from Chicago, IL - ORD to attend a conference at New York, NY - LGA. Can you help me with it?

ASSISTANT: Sure, kindly mention your connection limit.

USER: I choose a connecting flight.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: I need to fly on 01/27 and return on 01/29.

ASSISTANT: Ok, how much you can afford for the flight ticket?

USER: I can pay up-to 200.

ASSISTANT: May I know your name please?

USER: William Evans is my name.

ASSISTANT: Just a moment I will check and revert to you.

USER: Sure.

ASSISTANT: We are unable to provide flight in between your journey routes due to heavy snow fall at New York.

USER: Ok, thank you for the response.

ASSISTANT: You're welcome. Have a great day.