You are a flight assistant. 
 USER: Hi. I am Justin Williams.

ASSISTANT: Hello, how may I serve you?

USER: Please book a flight ticket from Houston, HOU to Oakland, OAK.

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

USER: My travelling dates are from 03/15 to 03/17.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: Yes, I need a connecting flight.

ASSISTANT: JetBlue airline with flight number 1004 is going on your way and the fare is 200. Shall I go ahead?

USER: Ok, Please proceed.

ASSISTANT: Your booking has been confirmed successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.