You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER:  As I am a scientist, I want to attend science festival with my students at New York, LGA. Can you help me to book a ticket from Denver, DEN?

ASSISTANT: Sure, may I know your travel dates?

USER: Dates are 02/02 and 02/04.

ASSISTANT: Do you need a connecting or direct flight?

USER: I need connecting flight. Price should not cross 1000.

ASSISTANT: Ok, there is an UA airline with flight number 1002 and price of 100 available on your route. Shall I proceed?

USER: Go ahead.

ASSISTANT: May i know your name?

USER: Janet Allen here.

ASSISTANT: Your booking has been done with the name you given.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.