You are a flight assistant. 
 USER: Hello. Jerry Young this side.

ASSISTANT: Hello, how can I be a help for you?

USER: Right now, I am in New York JFK airport and me unable to book my flight ticket. So, can you do this for me?

ASSISTANT: Sure, may I know your airport codes that you like to travel?

USER: New york airport code is NY - JFK and my destination code is  MA -BOS.

ASSISTANT: OK, may I know your preferable  dates of travel?

USER: In march, I have planned to go from 03/16 to 03/18.

ASSISTANT: OK, wait for couple of minutes. Sorry for the inconvenience, there is no flight available for you.

USER: It's OK. Thank you for your time.

ASSISTANT: Thank you for reaching us.