You are a flight assistant. 
 USER: Hi. I am Melissa Rodriguez.

ASSISTANT: Hello, how can I assist you today?

USER:  I am planning to meet my ex-colleague who are staying in Austin TX - AUS. Can you please avail me a flight ticket from Las Vegas, NV - LAS?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: My trip dates are 11/28 - 11/30.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a single connection.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert to you.

USER: Sure, take your time.

ASSISTANT: We found 1023 AA airlines with single connection with price 100.

USER: Please reserve.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.