You are a flight assistant. 
 USER: Hi. This is Mark King.

ASSISTANT: Hello Mark. How can I help you?

USER: Can you please book a flight from IL-ORD to NC-CLT? Along with the dates  05/10 to 05/12.

ASSISTANT: Wait for a while, let me check the details.

USER: Sure.

ASSISTANT: Can I know your price limit and connections?

USER: My fare is 200 with connection 1.

ASSISTANT: There is a flight matching with your details. Shall I book the ticket?

USER: Sure proceed.

ASSISTANT: OK. Your ticket is booked. Thank you. Have a nice journey.