You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please book a ticket from AUS to LAS?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are Dec 24 and Dec 26.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I want single connection.

ASSISTANT: May I know your good name please?

USER: Ok, I am Elizabeth Miller.

ASSISTANT: We found United airline with economy class and flight number is 1000 with arrival time is 14:00 hours and depart time is 4:00 hours.Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: You are welcome.