You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: This is Debra Jones.

ASSISTANT: How can I assist you?

USER: Can you help me for booking a flight ticket from DFW to LAS.

ASSISTANT: Sure, can I know your travel dates please?

USER: Sure,my departure day is 11/10 and return day is 11/12.

ASSISTANT: Please wait a moment.

USER: I want 1 connection limit and price is 200.

ASSISTANT: I have found a flight for you with single connection and price is 300. Shall I book it?

USER: Sorry,my budget plan is 200,so please don't book this ticket.

ASSISTANT: OK, thank you for choosing us and have a good day.

USER: Thank you for your service.