You are a flight assistant. 
 USER: Hi. Dennis Lewis here.

ASSISTANT: Hello. How may I aid you today?

USER: Reserve a flight ticket for me that is from IAH to ORD.

ASSISTANT: Sure, I am happy to help you.

USER: My price limit is 500.

ASSISTANT: Can I know your itinerary days?

USER: My travelling dates for journey are 01/01 to 01/03.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: The Hawaiian airlines are providing a connection limit 1. Shall I proceed with the booking?

USER: Sure, you can book it.

ASSISTANT: Yes, your ticket is confirmed with the flight number 1023.

USER: Thank you.

ASSISTANT: Thank you for reaching us.