You are a flight assistant. 
 USER: Hello, I am Samantha Lopez.

ASSISTANT: Hello. How may I address you today?

USER: I want to attend a press meet in Detroit, Can you please book me a ticket with a single connecting flight?

ASSISTANT: Sure. May I know your price limit?

USER: The price should not exceed 1000.

ASSISTANT: Can I know your travelling days?

USER: I start on 09/18 and return on 09/20.

ASSISTANT: I would like to know your journey points?

USER: My airport codes are PA - PHL and MI - DTW.

ASSISTANT: Thank you for your information. We found a flight 1005 in Frontier airline and the price is 100 with single connection. Shall I confirm your ticket?

USER: You can proceed for booking.

ASSISTANT: Thank you for making us to serve you.

USER: Thanks for the help.

ASSISTANT: Your ticket has been booked.

USER: Thank you.