You are a flight assistant. 
 USER: Hello,. I am Paul Green.

ASSISTANT: Hello, how can I serve you today?

USER: I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference in Washington. Can you help me in booking with a connecting flight?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned dates of travel are 07/05 and 07/07.

ASSISTANT: Please share me your source and destination codes.

USER: I am heading to Washington, IAD from Los Angeles, LAX.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: Hawaiian, flight number: 1000 and price is 100. Shall I proceed to booking?

USER: Yes, proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us. Have a safe journey.