You are a flight assistant. 
 USER: Hi, I am Joseph Carter.

ASSISTANT: Hello, how can I assist you today?

USER: I have a appointment with dentist in Dallas & Fort Worth on 12/09? Can you make a return ticket reservation on 12/11?

ASSISTANT: Sure, please share your boarding and landing airport codes?

USER: Sure, I am heading from Chicago ORD to DFW.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a stopover. And my price is 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, flight- 1012, airline- Spirit, price- 100 with connection-1 matches your requested details. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.