You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: In the month of October I heard that the workshop is going to be held in Boston city about my study. So, I have planned a journey to attending that. Can you please help me with my flight ticket booking?

ASSISTANT: Sure, can you please share your travel dates?

USER: Thank you for considering my request, my travel dates are 10/03 and 10/05.

ASSISTANT: Could you please help me with the airport codes?

USER: Sure, my airport codes are EWR and BOs.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is John Scott.

ASSISTANT: Thank you for the details. John, I am sorry to inform you that there is no flight available at your requested dates.

USER: Not a problem, I will go with road trip to complete my trip. Anyways thank you for the information.

ASSISTANT: Thank you for contacting us, have a nice day.