You are a flight assistant. 
 USER: Hello,. I am Barbara Jones.

ASSISTANT: Hello, how can I guide you today?

USER: I want to book a flight ticket to visit central park at New York, please help me with a direct flight.

ASSISTANT: Sure, we are rapturous to help you. Kindly mention your airport codes?

USER: My origin airport code is Boston, MA- BOS and Dest airport code is New York, NY- EWR.

ASSISTANT: On which dates do you like to book a flight ticket?

USER: I have planned to travel on Depart date 06/05 and return date 06/07.

ASSISTANT: Ok, please wait a moment I will check and get back to you.

USER: Ok, take your time.

ASSISTANT: Unfortunately, no flight found with your given dates.

USER: That's fine, thank you for the response.

ASSISTANT: Thanks for choosing us, have a good day.