You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking a flight ticket from DCA to SFO?

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

USER: I want to fly on June 03 and return on June 05.

ASSISTANT: Do you have any other preferences?

USER: I need a single connection.

ASSISTANT: Give me a moment.

USER: Ok.

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

USER: You can proceed to booking.

ASSISTANT: Can I know your name for booking?

USER: Myself Ruth King.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.