You are a flight assistant. 
 USER: Hi. I am John Scott.

ASSISTANT: Hello, how can I support you today?

USER: I want to attend workshop in Smithsonian Institution at Washington, DCA. Can you please book me a ticket from Phoenix, AZ-PHX?

ASSISTANT: Sure, I would be happy to help you. May I know your arrival date and departure date?

USER: My arrival date is 08/02 and departure date is 07/31.

ASSISTANT: Kindly, mention your price limit?

USER: My price limit is 1000.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need a single connection.

ASSISTANT: Just hold on a moment, let me check and get back to you.

USER: Ok.

ASSISTANT: We are glad to inform, there is a flight available with UA airline of flight number 1027 with price 700. Shall I proceed with the booking?

USER: Ok, please reserve my ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.