You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Jeffery Scott, I want to book a flight to Visit World Mobile Congress at New York with my friend. Can you book a connecting flight?

ASSISTANT: Sure, may I know your price limit?

USER: My budget is 5000.

ASSISTANT: On which dates are you going to travel?

USER: I will fly on 05/03 and return on 05/05.

ASSISTANT: Could you help me with your airport codes of origin and destination?

USER: I like to travel from CO-DEN to NY-JFK.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, we have a direct flight to your destination point.

USER: Ok, I need a connecting flight. Thank you for the details.

ASSISTANT: Thank you for contacting us.