You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patrick Nelson.

ASSISTANT: How can I assist you today?

USER: I have to attend a business meeting in New York city, can you please help me in searching a flight ticket from Los Angeles?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you. My planned travel dates of journey are 03/09 and 03/11.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: The airport codes are LAX and LGA.

ASSISTANT: Please give me a moment.

USER: Ok, take your time. Please make sure that the price is 200 or less.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Yes, please confirm my flight ticket.

ASSISTANT: Your ticket is booked. The flight number is 1006 and the airline is Delta.

USER: Thank you for booking my flight ticket.

ASSISTANT: Welcome, have a great day.