You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I assist you today?

USER: Can you please book a flight ticket to LAS from MSP in an economy class?

ASSISTANT: Sure, when do you want to start and return on?

USER: My planned dates are on Jan 09 and 11.

ASSISTANT: Do you need a connecting flight?

USER: I am fine with any flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: Anthony Jones is my name.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, thank you.

ASSISTANT: Thank you.