You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Jones from New York.

ASSISTANT: How can I assist you, Jones?

USER: I would like to spend my weekend at Seattle, please help me in booking a ticket.

ASSISTANT: Ok Jones, when are you planning your journey?

USER: I would like to plan my journey on 02/01 and return back on 02/03.

ASSISTANT: Sure, please provide me your respective airport codes.

USER: My nearest source and destination airport codes are LGA and SEA.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: Jones, I found a flight in Southwest airlines with price 200. Shall I book the ticket for you?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1003.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us, have a safe journey.