You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: My name is Andrew Rodriguez. I would like to travel from CLT to LAS, could you help me out?

ASSISTANT: Sure, can you share your trip dates?

USER: My preferable dates are from DEC 29-31.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: There is a connecting flight with number 1020 in airline Southwest, the fare is 100. Can I book it?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.