You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you now?

USER: Please book a flight from Boston, BOS to Oakland, OAK.

ASSISTANT: Sure, I will book a ticket for you.

USER: Thank you.

ASSISTANT: Please, let me know your depart date?

USER: I will depart from Boston on 01/04, as I need to investigate a criminal case.

ASSISTANT: Do you need a lay by in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: When will you return from Oakland?

USER: 06/04-06/06 are the travel dates.

ASSISTANT: May I know your good name?

USER: I am Mark Thomas.

ASSISTANT: Thank you for sharing the details, hold on a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available in UA airline that matches your requirements.

USER: Ok.

ASSISTANT: Flight number is 1020 with fare 100 and single connection. Shall I confirm it?

USER: Sure, you can confirm it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.