You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I serve you?

USER: I am Kathleen Thomas, I want to attend Science Fair in Washington, DC - DCA.

ASSISTANT: Ok.

USER: Can you book a flight ticket with price of 200?

ASSISTANT: Sure, May I know your travelling dates?

USER: My trip dates are 08/19 - 08/21.

ASSISTANT: Can you share me your origin?

USER: I will fly from New York, NY - EWR.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is a flight 1021 in Hawaiian airline and price 100 with a connection. Shall I proceed?

USER: Ok, confirm my flight ticket.

ASSISTANT: Ok, Your seat is reserved.

USER: Thanks for assisting me.

ASSISTANT: Thank you.