You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is James Lee.

ASSISTANT: James, how may I help you today?

USER: I would like to visit DTW and planning to reserve a plane ticket from BOS, could you please help me out?

ASSISTANT: Sure, I am here to help you. may I know your planned dates of travel?

USER: Sure, I am willing to travel on 12/15 and 12/17.

ASSISTANT: Please hold on for a while, let me check for available flights.

USER: Ok, take your time.

ASSISTANT: Frontier airlines with flight 1005 is available.

USER: Ok, please confirm my flight ticket.

ASSISTANT: Lee, your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.