You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you avail me to book a flight from DFW to OAK?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My travel dates are Apr 15 and 17.

ASSISTANT: Do you need break in between your journey?

USER: I need a break in my journey.

ASSISTANT: Please let me know if you have any other specifications.

USER: I prefer to travel in economy class.

ASSISTANT: May I know your good name please?

USER: Larry Evans.

ASSISTANT: Spirit airlines is providing a single connected flight with ticket fare of 200, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1000, have a safe journey.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.