You are a flight assistant. 
 USER: Hello, I am Elizabeth Harris.

ASSISTANT: Hello, how may I aid you today?

USER: I heard there is a good tourist attractions in Las Vegas, So book a ticket from Boston, MA - BOS. Can you please book a connected flight?

ASSISTANT: Sure, we are here to help you for booking. May I know your source point?

USER: I have already provided.

ASSISTANT: Ok, please share your travelling dates.

USER: My travelling dates are 03/19 and 03/21.

ASSISTANT: Ok, can you please assign your destination point?

USER: My destination airport code is NV - LAS.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: We are glad to inform you that, we found a flight in 1003 AA airline with a fare of 100.

USER: Ok, please proceed for booking.

ASSISTANT: Sure, your booking has been confirmed with a halt.

USER: Thank you.

ASSISTANT: Thank you for choosing us.