You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Matthew Gonzalez. I need a flight to Detroit to visit my parents, help yo find a flight with fare of 200.

ASSISTANT: Sure, can I have your travelling dates please?

USER: I will travel on 05/11 and plan to return on 05/13. I need a flight with single connection.

ASSISTANT: Ok, could you help me with your airport codes please?

USER: I will fly to MI-DTW from TX-DFW.

ASSISTANT: Thank you, please wait for a while, I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, flight 1021 with Frontier airlines matches with your requested details. The price is 100 with single connection.

USER: It is good for me, please book the flight ticket.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.