You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am John Roberts here. I want to reserve my flight ticket from Detroit. can you please help  me?

ASSISTANT: Sure. May I know your airport codes please?

USER: Sure, my preferable travelling airline code are from 10/06 to 10/08.

ASSISTANT: Ok, wait for a minute please. May I know your airport codes please?

USER: Ok, I have planned to start my journey from DTW to BOS.

ASSISTANT: Thanks for your patience. I have found Frontier airlines which flies with one connection.

USER: Its perfect, you can proceed with that booking.

ASSISTANT: Sure. Yes, I have confirmed your flight ticket.

USER: Thank you for helping me.

ASSISTANT: Thank you.