You are a flight assistant. 
 USER: Hi. I am Nancy Roberts.

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to book a flight ticket on 10/06 and return on 10/08, can you help me with booking please?

ASSISTANT: Sure, may I know your airport cods?

USER: Yes, my airport codes are Phoenix, AZ-PHX and New York, NY-JFK.

ASSISTANT: We found a flight of Delta airline, flight number as 1019 with the fare of 100.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.