You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you aid me to book a flight ticket from LGA to SEA?

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates are Oct 19 and Oct 21 respectively.

ASSISTANT: Do you have any other requirements?

USER: I prefer for direct flight.

ASSISTANT: Can I know your name please?

USER: Linda Brown here.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 0 connection in United airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1003.

USER: Thank you.

ASSISTANT: Most welcome.