You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you today?

USER: My name is Stephen Young and I want to book a ticket for me.

ASSISTANT: Sure, can you provide your details?

USER: Yes,I want to travel from PHX to DTW. My dates of travelling should be 01/28 and 01/30.

ASSISTANT: OK, wait for a minute.

USER: Sure.

ASSISTANT: Is there any price and connection limit?

USER: Yes,I need a flight with 1 connection and my price limit should be 200.

ASSISTANT: According to details provides by you there a flight from Frontier airlines with number 1009. Shall I proceed to book the ticket?

USER: Sure,proceed with my booking.

ASSISTANT: OK, your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.Have a safe flight.