You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Brown.

ASSISTANT: How can I help you?

USER: I need to book a flight ticket from DC-IAD to CA-OAK.

ASSISTANT: Sure, may I know when you want to travel?

USER: Sure, I want to board on 12/03 and 12/05.

ASSISTANT: Ok, do you need any connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thank you for waiting. We found a flight with number 1005 and airline Southwest at a price of 100 with 1 connection. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your help.

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