You are a flight assistant. 
 USER: Hi, Raymond Davis here.

ASSISTANT: Hello. How can I help you?

USER: I want to surprise my friend. Please book a ticket for me to Seattle, WA - SEA. My origin point is Washington DC - DCA.

ASSISTANT: Could you please send me your travelling dates?

USER: I have to depart on 10/13 and return on 10/15.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: Thanks for being waiting. There is a flight according to your requirements.

USER: Please provide flight details.

ASSISTANT: Airline:AA, flight number:1004 with 1 connection and the price is 200.

USER: OK, you can proceed with this booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your support.

ASSISTANT: Thank you for contacting us.