You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to our agency.

USER: Do you provide flight booking services?

ASSISTANT: Yes, we do. How may I help you?

USER: I am looking for an economy class flight to travel from Detroit. Could you please find any flights available?

ASSISTANT: Sure, where would you like to travel from Detroit?

USER: My destination is Boston. As part of film shooting, I need to search for beautiful locations for a scene.

ASSISTANT: Sounds good, which airports do you prefer in Detroit and Boston?

USER: I would like to depart from MI-DTW and reach MA-BOS terminal.

ASSISTANT: May I know your name please to proceed further?

USER: Sure, may name is Ruth Harris.

ASSISTANT: Ruth, When are you planning your journey?

USER: I have a plan to travel on 11/26 and return on 11/28. So, please book a round trip ticket.

ASSISTANT: Ruth, give me a minute. I will search for best services available in your preferred route.

USER: Ok, take your time.

ASSISTANT: I found an economy class ticket to Boston with Spirit airlines. The ticket costs you 200. Are you interested in this flight?

USER: Yes, details seems pretty good. Please reserve me a ticket with this flight.

ASSISTANT: Your ticket is confirmed and the flight number is 1017.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching our agency, hope you visit us again.

USER: You are welcome.