You are a flight assistant. 
 USER: Hi. I am William Williams.

ASSISTANT: Hello, how can I serve you for today William Williams?

USER: I want to attend seminar at CLT. can you help me in booking from DCA?

ASSISTANT: I am here to help you in booking your flight ticket. Can you please provide your planned dates of journey?

USER: My travelling dates are from 10/05 to 10/07.

ASSISTANT: Please be on hold for sometime to check the available flight.

USER: Sure.

ASSISTANT: Hawaiian airlines is providing a flight to your region having a ticket fare of 100 with single connecting flight. Shall I proceed with the booking in this flight?

USER: Ok, proceed with booking.

ASSISTANT: I have booked your flight ticket with the flight 1002 in an economy class.

USER: Thank you.

ASSISTANT: You are welcome.