You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to book a flight ticket from OAK to IAH.Can you please help me in booking a flight ticket?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are May 3rd and May 5th.

ASSISTANT: May I know your arrival and depart timings?

USER: No, I don't have any time.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Raymond Jones.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your class preferences?

USER: No.

ASSISTANT: We found a UA airline and 1015 is flight number with a fare of 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.