You are a flight assistant. 
 USER: Hello, I am Dennis Harris.

ASSISTANT: Hello,. How may I assist you?

USER: I need to book a flight ticket as I have planned to attend a seminar on  05/31 and I intend to return on 06/02, can you help me with the booking?

ASSISTANT: Sure. May I know your travelling codes?

USER:  Yes, I would like to travel from LGA to LAX.

ASSISTANT: Ok. Ticket is available with connections 1 and price is 200. Flight number: 1019 and airline is AA.

USER: Ok, please proceed with booking.

ASSISTANT: Connecting ticket with flight number 1019 is booked.

USER: Thank you.

ASSISTANT: Thanks.