You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me to book a flight ticket form LAX to ATL?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My travelling dates are May 23 to May 25.

ASSISTANT: Could you please provide your name for reservation purpose?

USER: My name is David Lewis.

ASSISTANT: May I know your depart and return time?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I need a single connection of flight.

ASSISTANT: I found a flight-1003 with single connection, shall I confirm it?

USER: Ok, please proceed.

ASSISTANT: Ok, booking is done on UA airlines.

USER: Thank you.

ASSISTANT: Thanks for choosing us.