You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Larry Parker. I would like to book a flight ticket from HOU to OAK, can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my journey dates are Feb 05 and Feb 07.

ASSISTANT: Do you have any class preference?

USER: No, I am comfortable to travel in any class.

ASSISTANT: Do you have any other specifications?

USER: My departing time is afternoon.

ASSISTANT: There is a flight on Jetblue airline, flight number 1010 with the fare 200 and depart time is 18:00PM. Can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.