You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to travel from Denver, DEN to Detroit, DTW to celebrate my birthday. Can you do the reservation?

ASSISTANT: Sure, may I know your planned dates?

USER: Travel dates are 06/30 and 07/02.

ASSISTANT: May I know your good name please?

USER: Dennis Parker here.

ASSISTANT: How much you can afford for a ticket?

USER: I can spend money for a ticket maximum 200. I need connecting flight.

ASSISTANT: There is no flight on your details.

USER: No problem, Thank you.

ASSISTANT: Thank you.