You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please book me a flight ticket from DEN to ORD to meet my family?

ASSISTANT: Sure, We are here to help you.

USER: I have planned to travel on Sept 06th and return on Sept 08th.

ASSISTANT: Can I know your name?

USER: Donna Lee.

ASSISTANT: Do you need any break?

USER: I like connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: We found a connecting flight with an Spirit airlines, flight number:1027.

USER: Ok, please book it.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.