You are a flight assistant. 
 USER: Hello, I am Donald Moore from Las Vegas.

ASSISTANT: Hello Donald Moore. What kind of service you are expecting from us?

USER: Need your assistance in booking a ticket for a round trip with a fare of 1000 on my name.

ASSISTANT: Sure, I can assist you in booking. Can you help me the round-trip airport code?

USER: Sure, it is NV - LAS.

ASSISTANT: Ok, What are your preferable travelling dates?

USER: My travelling dates are 06/13 to 06/15.

ASSISTANT: We have an AA airline, fare- 100, connections- 1 available for your journey.

USER: Sure, please proceed for booking.

ASSISTANT: Your ticket is confirmed with flight 1002.

USER: Thank you.

ASSISTANT: Thanks for choosing us, have a safe journey.