You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I am Rachel Hill want to attend a seminar at Detroit, can you book a ticket within the fare of 200?

ASSISTANT: Sure, I will help you, may I know your airport codes?

USER: Sure, I want to fly from PHL to DTW.

ASSISTANT: Ok, let me know your travelling dates to proceed further?

USER: Ok, my travelling dates will be 11/24 and 11/26.

ASSISTANT: Frontier airline is providing flight with connection 1 price 100 as per your details, can I proceed to booking?

USER: Yes, proceed with my booking.

ASSISTANT: I confirmed your ticket by flight number 1012.

USER: Thank you.

ASSISTANT: It's my pleasure, have a nice day.