You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Robert Thomas, can you help me to book a flight ticket from JFK to OAK?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: Ok, my travel dates are 03/29 and 03/31.

ASSISTANT: Here is a flight with 1 stop and price is 100 in UA airlines, can I proceed with it?

USER: Then book I need that flight.

ASSISTANT: Your ticket has been booked with 1004 flight.

USER: Ok, thank you for booking.