You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need to visit Boston, MA - BOS for my sister marriage shopping. Can you please book a flight ticket from Charlotte, NC - CLT?

ASSISTANT: Ok, can you provide me trip dates please?

USER: My preferable dates are 12/04 and 12/06.

ASSISTANT: May I know your name please?

USER: Michael Hernandez is my name.

ASSISTANT: Ok, wait. Thanks for waiting we found UA airline with number 1004 and single connection. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for booking.

ASSISTANT: Thanks for choosing us, have a safe journey.