You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Patrick Lopez here. Could you please reserve me a flight ticket from HOU to LAS?

ASSISTANT: Sure, can you share your travel dates?

USER: My trip dates are 12/09 - 12/11.

ASSISTANT: Ok, let me know your connection limit?

USER:  I prefer a single connection.

ASSISTANT: Any other requirement to be met?

USER: No.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Delta Airlines has a connecting flight with number 1020 for fare 100, shall I proceed?

USER: Please reserve.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us and have a safe flight.