You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Susan Perez here, I would like to go for a round trip to Detroit, DTW for my business meeting. Can you please book me a flight ticket?

ASSISTANT: Sure, can you please share your trip dates?

USER: Sure, I would like to fly on 12/28 and return back on 12/30.

ASSISTANT: Do you have any specifications?

USER: I can afford up to 200. I will prefer a connecting flight.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We have found a Frontier airline of 1005 flight number with one connection of cost 100.

USER: That's perfect, please go ahead with the booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us, have a great day ahead.