You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you with today?

USER: I am Ronald Phillips. Can you please book a flight ticket from TX-DFW to CA-OAK?

ASSISTANT: Sure, I can help you with that. Ronald, can you please help me with the travelling dates?

USER: My travelling dates are 02/19 and 02/21.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok.

ASSISTANT: Ronald, there is a flight available at your requested dates with price 100. Would you like me to confirm the booking?

USER: Please book this flight ticket.

ASSISTANT: Sure. Your booking is confirmed.Your flight number is 1003 and the airline is Hawaiian. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: You are most welcome. Thank you for contacting us.