You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Larry Garcia.

ASSISTANT: How may I assist you?

USER: I would like to spend my winter weekends at New York with my friend. Can you help me in booking a ticket?

ASSISTANT: Sure Garcia, can you please provide me your travel dates?

USER: My planned journey dates are 02/03 and 02/05.

ASSISTANT: Please help me with your airport codes.

USER: The respective airport codes are LAS and LGA.

ASSISTANT: Garcia, I found a flight with Southwest airlines available with price 200. Shall I book the ticket?

USER: Please book the ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1005.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us, have a good day.