You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to attend an important meeting in Phoenix, can you please reserve a flight ticket from New York?

ASSISTANT: May I know your trip dates?

USER: Thank you. I want to start my journey on Feb 05 and return back on Feb 07.

ASSISTANT: May I know your airport codes?

USER: The source airport code is JFK and the destination airport code is PHX.

ASSISTANT: Do you prefer any specifications?

USER: Yes, please make sure that the maximum connections in between my journey should be at least one.

ASSISTANT: Ok. There is a connected flight in Frontier airlines with the fare 500.

USER: Ok, please proceed with the ticket booking with the  name David Nelson.

ASSISTANT: Your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you.