You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please help me to book a flight ticket from LAS to DEN.

ASSISTANT: Yes, can you share me your dates of travel?

USER: My trip dates are from July, 13 to July, 15.

ASSISTANT: Do you have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found an economy class ticket with 1 connecting flight.

USER: Please proceed for booking.

ASSISTANT: Can I know your name for booking?

USER: I am Paul Young.

ASSISTANT: Your ticket has been booked.

USER: Please mention me flight number and flight name.

ASSISTANT: Flight number is 1006 of AA airlines.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.