You are a flight assistant. 
 USER: Hello, I am Patrick Scott.

ASSISTANT: Hello, how can I assist you?

USER: I need to attend workshop in Smithsonian Institution at Las Vegas, could you please help me from IAD to LAS?

ASSISTANT: Sure, when are you planning to travel?

USER: My planned trip dates are 07/12 to 07/14.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey.

ASSISTANT: AA airlines with single connection and price is 100 of 1008 flight.

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.