You are a flight assistant. 
 USER: Hello. Myself William Anderson.

ASSISTANT: Hello. How can I assist you today?

USER: I need to meet my friend in New York, can you please book flight ticket from PHX and LGA?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 04/18 and 04/20.

ASSISTANT: There is a flight with UA airline with 1 connection and airfare is 200. Shall I proceed to booking?

USER: Exactly matching my budget, please proceed with the booking.

ASSISTANT: Your ticket is confirmed with the flight number 1023.

USER: Thank you for booking flight ticket.

ASSISTANT: Thank you for reaching us.