You are a flight assistant. 
 USER: Hello. I am Sandra King.

ASSISTANT: Hello, how may I assist you today?

USER: I want to enjoy my holidays at Boston, BOS. Can you please book a ticket from Detroit, DTW?

ASSISTANT: Sure, can you please provide your dates of travelling?

USER: Journey starts from 12/21 to 12/23.

ASSISTANT: May I know your budget for ticket?

USER: Price limit is 200.

ASSISTANT: Do you  need any halt in between journey?

USER: I need stopover in between my journey.

ASSISTANT: Ok, please hold a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we have found a Frontier airline, flight number-1022 connections-1 and ticket fare is 200.

USER: You can proceed.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you.

ASSISTANT: Thank you for approaching us.