You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance for you?

USER: I am Rachel Smith from New York. I would like to attend a marriage at Phoenix on 02/28, so can you please help me in booking a flight?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your codes of airport on which route you want to travel to search for the flight matching your route?

USER: I choose my nearest airport EWR as my origin and my destination airport would AZ-PHX.

ASSISTANT: Ok, may I know your travelling dates to proceed further?

USER: My travelling dates are 02/27 and 02/29.

ASSISTANT: Ok, there is a flight 1004 in UA airline matching your details with price 100. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome.