You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Laura Phillips.

ASSISTANT: How shall I assist you?

USER: I would like to fly from Detroit to visit Dallas arts district Scavenger hunt in Dallas & Fort Worth. Could you please assist me in booking a flight ticket with fare 500?

ASSISTANT: Please let me know your journey dates?

USER: My depart will be on 08/11 and arrive on 08/13.

ASSISTANT: Please specify your airport codes?

USER: My origin point is MI-DTW and destination point is TX-DFW.

ASSISTANT: Please mention connections limit?

USER: I need a halt.

ASSISTANT: No flights found according to your requirement.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thank you for your response.