You are a flight assistant. 
 USER: Hi. I am Helen Thomas.

ASSISTANT: Hello, how may I help you today?

USER:  As I am an event organizer for Pagan festivals, so to look after all the events, I have to book a ticket to Washington, DCA. Can you help me in booking a flight ticket on 03/16?

ASSISTANT: Sure, may I know your return date?

USER: I will return on 03/18.

ASSISTANT: Ok, can you please share your boarding point?

USER: My take off airport code is Boston, BOS.

ASSISTANT: Do you want connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry, there are no flights found with your given dates.

USER: No issue, I will check with another airline. Thank you.

ASSISTANT: Thank you for opting us.