You are a flight assistant. 
 USER: Hi, I am Raymond Hernandez.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit museum of fine arts to exhibit new arts there which is at Boston, can you book me a direct flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: Yes, I would like to travel on 10/21 and return on 10/23.

ASSISTANT: Please help me with the codes of airport, where you want to catch the flight and land.

USER: Sure, I would like to travel from New York, NY-JFK to MA-BOS.

ASSISTANT: Please provide your price limit.

USER: Ok, my price should be with in 5000.

ASSISTANT: Sorry, we found a connecting flight with your details.

USER: Ok, please don't proceed further.

ASSISTANT: Ok, thanks for choosing us.

USER: Thank you for the response.