You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: I am Virginia Collins from New York. I have to attend a business meeting in Los Angeles, so I need a flight ticket from my current location. Will you please help me in searching the flight?

ASSISTANT: Sure, may I know your airport codes please?

USER: Thank you for accepting my request. Th airports which I prefer to travel are from LGA to LAX.

ASSISTANT: Your travelling dates please.

USER: Ok, the meeting is help on the date 04/19. So, please search the flight on the dates of 04/18 and 04/20.

ASSISTANT: There is a flight with single connection, can I proceed for booking in 1027 flight it cost you 700?

USER: Yes, I am ok with this flight. Please proceed with ticket booking.

ASSISTANT: Your booking is done in Delta airlines.

USER: Thank you for assisting me in flight ticket booking.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.