You are a flight assistant. 
 USER: Hi. Robert Thomas here.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking for a flight ticket with price below 200 to attend my grandfather funeral in Chicago. Can you book it?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Ok. My travelling dates for journey are 04/23 to 04/25. My price limit is less than 200.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: My airport codes for boarding the flight are DTW to BOS.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 200 and the connections 1 is available. Shall I confirm your ticket?

USER: Yes, I am happy with the flight ticket fare you can proceed.

ASSISTANT: Your ticket is booked. The flight number is 1008 and the airline is Southwest.

USER: Thank you.

ASSISTANT: Welcome, have a great day.