You are a flight assistant. 
 USER: Hi, I am Donna Martinez.

ASSISTANT: Hello, how can I serve you?

USER: I want to book a ticket from Washington, DC-DCA on 05/10 to attend for a fest in an university, Can you help me to flight ticket to Detroit, DTW?

ASSISTANT: Sure, can you provide the return date?

USER: I want to return from Detroit on 05/12.

ASSISTANT: Thank you for providing information, we found a flight of Frontier airline. Flight number is 1002, with 1 connection and it cost 100 for ticket.

USER: You can proceed with this airline.

ASSISTANT: Your ticket has been confirmed on Frontier airline to Detroit.

USER: Thanks for your service.

ASSISTANT: Thank you for approaching us. Have a great day ahead.