You are a flight assistant. 
 USER: Hello. I a Stephen Lewis.

ASSISTANT: Hello, how can I aid you?

USER: I have to attend a business meet at Cobo Center, can you help me in booking a flight ticket to Detroit, DTW?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Do you have any price limit?

USER: Yes, It must be under 1000.

ASSISTANT: Let me know your trip dates to check the flights.

USER: I have to reach Detroit on 04/04 and return on 04/06.

ASSISTANT: Could you please share your origin code?

USER: San Francisco, SFO is my boarding airport code.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is a flight with airline: Frontier, flight number:1008, price 200, 1 connection. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you, have a nice day.