You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket to LAS from ORD?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My preferred travel dates are from May 14 to May 16.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I would like to travel in economy class.

ASSISTANT: May I know your name?

USER: I am Gary Miller.

ASSISTANT: We found 1021 Southwest Airlines with single connection and price of 200, shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.