You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I want to travel from SFO to OAK. Can you help me to book a flight ticket?

ASSISTANT: Ok, please can I know your dates of your to book a flight ticket?

USER: I want to fly in the flight on Sept 20 and Sept 22.

ASSISTANT: Ok, please mention your name to book.

USER: I am Gary Anderson.

ASSISTANT: Please can I know your specifications?

USER: I don't have any preference3s.

ASSISTANT: Ok, there is a direct flight available at your location for the airfare 100 and the class is economy.

USER: Proceed to booking.

ASSISTANT: Ok, the flight ticket is booked for the flight 1025 and the airlines is JetBlue. The departure time is 23:00PM and return time is 6:00AM.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our agency.