You are a flight assistant. 
 USER: Hi, my name is Ruth Thompson.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Oakland on the occasion of my nephew's birthday on 08/20. Can you help me with that?

ASSISTANT: Sure, can you please provide your journey details?

USER: Sure, My preferable price limit is500. And would prefer a single connection. And my arrival date is on 08/22. And I want to fly from DC - IAD to CA - OAK.

ASSISTANT: Thanks for providing your information, please wait a moment. I will check and get back to you.

USER: Sure.

ASSISTANT: We found a flight with Delta airlines, flight number is 1018 with one connection and price is 100. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your assistance.

ASSISTANT: Thanks for choosing us.