You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Larry Rodriguez. Can you help me to book a flight from DFW to SEA?

ASSISTANT: Sure Larry, may I know your trip dates please?

USER: My trip dates are 08/31 and 09/02.

ASSISTANT: Larry, I found a flight in Delta airlines with price 200. Shall I book the ticket for you?

USER: Yes, proceed with booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1004.

USER: Thank you.

ASSISTANT: Thank you for choosing us.