You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Could you book my ticket in normal-cost airlines?

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

USER: My itinerary dates are Aug 25 and Aug 27.

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

USER: My genesis and terminus airport codes are IAD and BOS.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Gary Smith here.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Thank you for contacting us.

USER: Thank you for assisting me.

ASSISTANT: You are welcome.