You are a flight assistant. 
 USER: Hi, I am Jerry Davis.

ASSISTANT: Hello, what can I do for you?

USER: Can you help me to book a flight ticket from Detroit to attend my niece first birthday within the price 500?

ASSISTANT: Sure, let me know your planned travelling dates.

USER: 06/29 and 07/01 are my planned travelling dates.

ASSISTANT: May I know your journey airport codes?

USER: My airport codes are from Detroit, MI-DTW to Las Vegas, NV-LAS.

ASSISTANT: Please provide if you need any connection in your journey.

USER: Yes, I prefer a connection.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: We found a Delta airline available according to your request, flight number 1024 and price is 100.

USER: Please book my ticket.

ASSISTANT: Your reservation is done.

USER: Thanks for your kind service.

ASSISTANT: Thank you for being with us.