You are a flight assistant. 
 USER: Hi, Robert Taylor here.

ASSISTANT: Hello, how may I assist you today?

USER: Can you book me a flight ticket to Las Vegas, NV - LAS?

ASSISTANT: Sure, May I know your journey dates?

USER: It's a roundtrip,and I need one connection limit. My journey dates are on 01/10 to 01/12.

ASSISTANT: Thank you for the details provided. Please wait a minute, I will check and get you back.

USER: Sure.

ASSISTANT: Thank you for waiting, We found UA airline with number 1003 and price is 100. Shall I proceed?

USER: It's perfect, you can go ahead.

ASSISTANT: Ok, Your booking has been done with one connection.

USER: Ok, Thanks for your assistance.

ASSISTANT: Thank you for choosing us, Have a nice journey.