You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Could you please help me in  booking a ticket from IAH to OAK.

ASSISTANT: Sure, please provide your trip dates.

USER: My travel dates are Dec 03 and Dec 05.

ASSISTANT: Which class do you prefer?

USER: No class preference but, I would like to board a direct flight.

ASSISTANT: Do you have any other specifications?

USER: No. Thank you for asking.

ASSISTANT: May I know your name?

USER: Cynthia Thomas.

ASSISTANT: Direct flight is provided by JetBlue airlines with flight number 1012 and ticket costs you 200 in economy class.

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed Cynthia Thomas. Flight departs at 22:00 hours and arrives at 18:00 hours.

USER: Thank you very much.

ASSISTANT: Thank you for reaching us.