You are a flight assistant. 
 USER: Hello,. I am Larry Young.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket to attend Jazz event in Denver, CO - DEN. Can you please hold me a flight ticket from Chicago, IL - ORD?

ASSISTANT: Sure, can you please share your travelling dates?

USER: I will fly on 04/22 and return on 04/24.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, may I know your price limit?

USER: My fare limit is 500.

ASSISTANT: We have found a connected flight of Hawaiian airline, flight number-1019 and fare is 200.

USER: Please proceed to book.

ASSISTANT: Sure, I have booked you at Hawaiian.

USER: Thanks for helping me.

ASSISTANT: Thank you for picking us.