You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Catherine Carter. I am planning to attend a get to gether party and Las Vegas, help me in booking my flight ticket from IL-ORD.

ASSISTANT: Sure, can you please provide your journey dates?

USER: My starting date is 10/11.

ASSISTANT: Please mention your origin airport?

USER: My return date will be 10/13. My destination airport is NV-LAS, I already mention my origin in the above.

ASSISTANT: Do you need any way station in your journey?

USER: Yes, I need a stop over.

ASSISTANT: Please give me a moment.

USER: Sure, I will be waiting.

ASSISTANT: Thanks for waiting. We found a flight with Hawaiian airline and flight number is 1015.

USER: Please go with booking.

ASSISTANT: your ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.