You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket from DC to meet my old friend to start a new business in CA, can you please help me?

ASSISTANT: Yes, I am here to help you. Can I know your travelling dates please?

USER: Sure, I am planning to start my journey on 06/17 and my return date will be on 06/19.

ASSISTANT: Ok, may I know from which city you want to travel in Washington?

USER: I want to reach OAK from IAD.

ASSISTANT: Do you need any break in between the journey?

USER: yes, I need it.

ASSISTANT: Do you have any other specifications?

USER: No more specifications please.

ASSISTANT: May I know your name please?

USER: I am Carolyn Wilson.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight with number 1023 at a price of 200 in economy class provided by Delta airlines. Shall I proceed?

USER: That's fine, you can proceed with the booking.

ASSISTANT: Sure, your ticket is booked.

USER: Thank you for your support in booking.

ASSISTANT: Thank you for reaching us, have a nice day.