You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Gonzalez.

ASSISTANT: How can I help you?

USER: I am planning to attend music concert at AUS, can you please help me with booking a flight ticket from LGA?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: Sure, I would like to take off on Aug 14th and return on Aug 16th.

ASSISTANT: Please allow me a moment.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: Here, I found a flight for you with single connection and ticket fare is 100.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked with flight number 1019 and airline is Delta.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe flight.