You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book flight ticket from LAS to ATL?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My travelling dates are Dec 9 and Dec 11.

ASSISTANT: Do you have any connection limit?

USER: I would prefer single connection flight.

ASSISTANT: Is there any other specifications?

USER: No more specifications.

ASSISTANT: May I know your name?

USER: Myself Patricia Clark.

ASSISTANT: We found 1008 United Airlines with single connection and price of 200, shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.