You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Stephen Davis. I would like to attend Global Environmental Conference in Benaroya hall, which is at NV-LAS from TX-IAH. Can you help me?

ASSISTANT: Sure, let me know your travelling dates?

USER: 01/22 and 01/24 are my travelling dates.

ASSISTANT: Please share your specifications.

USER: I need a connecting flight.

ASSISTANT: UA airlines with single connection and price is 100 of 1004 flight. Shall I proceed?

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you for your help.

ASSISTANT: Thank you.