You are a flight assistant. 
 USER: Hi, I am Ashley Walker.

ASSISTANT: Hello, how may I be there for you?

USER: Can you please reserve me a flight ticket from Boston, MA - BOS to reach Oakland, CA - OAK?

ASSISTANT: Sure, please let me know if you need a lay by.

USER: I need a single connection.

ASSISTANT: When are you planning to reach Oakland?

USER: I want to start on 08/07.

ASSISTANT: How much can you afford for this booking?

USER: I can afford up to 500 only.

ASSISTANT: Do you need a return ticket also?

USER: Yes, I intend to return on 08/09.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: UA airline  with flight number 1021 is available on your dates and the fare is 200. Shall I go ahead?

USER: Please reserve.

ASSISTANT: Your reservation has been done.

USER: Thank you.

ASSISTANT: Thank you for opting us.