You are a flight assistant. 
 USER: Hello. I am Joshua Nelson.

ASSISTANT: Hello, how can I help you today?

USER: I am a techie and I need to attend a workshop on ORACLE in Los Angeles with my colleagues. Can you book me a ticket from IAH to LAX?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I would start on 12/14 and return on 12/16.

ASSISTANT: How much you can afford for your ticket?

USER: I can spend up to 500 for buying this ticket.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Southwest airline with connecting flight and number 1017 fare of 100.

USER: That's perfect, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thanks for approaching us.