You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have planned to book a plane ticket to attend my cousin marriage event in SFO, can you assist me in booking my ticket from DCA?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My preferred dates are June 6th and June 8th.

ASSISTANT: Do you have any other preferences?

USER: I need to travel in economy class.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Proceed.

ASSISTANT: Can I know your name for booking?

USER: Carol Evans.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.