You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How  can I serve you?

USER: I am Nicole Jackson want to travel DC-IAD to meet my parents from CA-OAK. Can you book a ticket?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are 02/17 and 02/19.

ASSISTANT: Do you need any break?

USER: I need a  connecting flight.

ASSISTANT: We found a Southwest airline, flight number:1001 and the price is 100.

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket  has been processed.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting  us.