You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates will be Mar 3rd to Mar 5th.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: I am William Williams.

ASSISTANT: We found a direct flight of fare 100 with airline Frontier and number 1001. Can I book?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.