You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Susan Jones.

ASSISTANT: How may I assist you?

USER: I need to book a direct flight as I have an exam at my University at Washington, so please help me in booking a ticket.

ASSISTANT: Please could you mention your travelling dates.

USER: My travelling dates are on 03/11 to 03/13.

ASSISTANT: Please specify travelling codes.

USER: It's a round trip to DC - DCA.

ASSISTANT: Ticket is found with airline Hawaiian having flight number 1003 and price is 100.

USER: Is this a direct flight?

ASSISTANT: It's a direct flight.

USER: Ok, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.