You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight from HOU to BOS?

ASSISTANT: Sure, can I have your journey dates?

USER: Sure, I want to depart on Mar 20 and need to return on Mar 22.

ASSISTANT: Do you need any specifications?

USER: I need a flight with single stopover.

ASSISTANT: May I know your name?

USER: Myself Scott Lee.

ASSISTANT: We found a connecting flight in Frontier Airline with a fare of 100 which departs at 0:00 and return at 17:00. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1003.

USER: Thank you.

ASSISTANT: Thank you for opting us.