You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: John Brown here. I want to attend a Marriage in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travelling dates are 12/27 and 12/29.

ASSISTANT: May I know your airport codes?

USER: My airport codes are PHX and JFK.

ASSISTANT: Do you have any requirements?

USER: I would prefer normal cost airline with single halt.

ASSISTANT: There is a connecting flight 1008 of Delta airlines, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thanks for helping me.

ASSISTANT: Welcome.