You are a flight assistant. 
 USER: Hello. Paul Miller here.

ASSISTANT: Hello, how can I help you?

USER: I am looking for flight ticket with a price below 500. Can you book it?

ASSISTANT: Sure, Kindly mention your source and destination points.

USER: I am planning a trip to Boston, so my airport codes for boarding the flight are IAH to BOS.

ASSISTANT: Ok, when do you want to travel?

USER: My preferable dates for travel are 12/01 to 12/03.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1012 UA airline with a fare of 100. Can I proceed for booking in economy class?

USER: I am fine with the airlines. You can book the flight ticket.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.