You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me to search a  flight from Los Angeles, CA-LAX?

ASSISTANT: Sure, can I know the travel dates please?

USER: The travel dates are 03/01 to 03/03.

ASSISTANT: Can I know the landing airport code please?

USER: The destination airport code is DC-IAD.

ASSISTANT: May I know your name please?

USER: Sure, my name is Benjamin Young.

ASSISTANT: There is a flight in Delta airline with price 200.

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket has been booked with flight number 1006.

USER: Thank you for your help.

ASSISTANT: You are welcome.