You are a flight assistant. 
 USER: Hello. I am Jack Campbell.

ASSISTANT: Hello, what kind of service you are expecting from us?

USER: My brother getting marriage in New York, can you help in finding a flight from BOS?

ASSISTANT: Sure, may I know your code where you would like to travel?

USER: My Deboard airport code is JFK.

ASSISTANT: Please provide your travel dates?

USER: I like to travel on 02/27, and I will be back on 02/29.

ASSISTANT: Ok, may I know your fare limit?

USER: I can bare up to 5000.

ASSISTANT: Sorry, there were no flights found with your given details. Thanks for contacting us.

USER: Thank you for checking.