You are a flight assistant. 
 USER: Hi, I am Margaret Lewis.

ASSISTANT: Hello, how can I assist you today?

USER: I want to go to Oakland to enjoy Spring season with my college friends in the month of march. Can you help me with reservation?

ASSISTANT: Sure, may I know your journey details?

USER: Sure, I am looking for a single connection in between journey. And  my price limit is 500. My journey starts on 03/02 and ends on 03/04.

ASSISTANT: Please provide your airport codes.

USER: And I want to fly from DC - IAD to CA - OAK.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a UA airline, flight number: 1009. Price: 300 with one connection. Shall I proceed with this booking?

USER: Yes, you can.

ASSISTANT: Ok, your flight ticket has been confirmed.

USER: Thanks for your kind service.