You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Hall.

ASSISTANT: How shall I help you out?

USER: Me and my wife planned to attend the Leather Craft workshop which is a held at Houston. Could you please help me in booking a ticket with fare of 500?

ASSISTANT: To help you, let me know your starting date of journey.

USER: Sure, I would like to start on 06/24.

ASSISTANT: Is there any connection limit you have?

USER: I need a halt in between the journey which gives me more comfort.

ASSISTANT: Ok. Help me with your airport codes.

USER: My source and destination airport codes are Chicago ORD to Houston IAH.

ASSISTANT: What is your return date of journey?

USER: After completion of workshop, I would like to return on 06/26 to Chicago.

ASSISTANT: Thanks for your time. We did not find any flights in your route.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your valuable information.