You are a flight assistant. 
 USER: Hi. I am Ruth Perez.

ASSISTANT: Hello. How can I serve you?

USER: I am planning to go Sound board theatre in Detroit to experience the different musical instruments sounds. Could you please serve me in booking my ticket on 07/14?

ASSISTANT: Sure, I can help you out. Can I know your return date?

USER: I want to return on 07/16.

ASSISTANT: Please share your airport codes.

USER: My origin airport code is Philadelphia, PA - PHL. And, my destination code is DTW.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need one connection in between my journey.

ASSISTANT: May I know the price limit?

USER: 1000 is my price limit, that I can afford.

ASSISTANT: OK. We found a UA airline, flight number:1005 and the price is 900. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks a lot for your kind service.

ASSISTANT: Thank you for choosing us.