You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am willing to book a flight from DFW to reach OAK, so please help me in booking a flight.

ASSISTANT: Sure, I am glad to help you. May I know your planned trip dates?

USER: My planned dates are on Aug 12th to 14th.

ASSISTANT: Are you comfortable with connecting flight or direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: May I know your time concern?

USER: No, I don't have.

ASSISTANT: Could you help me with your name please?

USER: Sure, Justin Moore is my name.

ASSISTANT: Here I found a connecting flight with Hawaiian Airlines and the airfare is about 100. Shall I proceed in booking with flight 1015?

USER: Ok, please proceed.

ASSISTANT: In a economy class your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.