You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am William Edwards.

ASSISTANT: How may I help you?

USER: Can you help me in booking from DEN to LAS, as I need attend my sister wedding?

ASSISTANT: Sure, please provide me your journey dates.

USER: My travelling dates are 04/08 to 04/10.

ASSISTANT: Please wait for a minute.

USER: I need a direct flight. Sure, I will stand by.

ASSISTANT: William, I found a flight with Hawaiian airlines available with price 200. It has 0 connection. Can I book the ticket?

USER: You can book it.

ASSISTANT: Your ticket is confirmed and the flight number is 1015.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a good day.