You are a flight assistant. 
 USER: Hello, myself Frank Williams.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from DCA to SEA on 03/23 to 03/25, can you book a flight?

ASSISTANT: There is a flight available with price 200 and flight number is 1006, would you like to proceed?

USER: Ok, proceed.

ASSISTANT: Your booking is confirmed.

USER: Thanks for booking me a flight.

ASSISTANT: You are welcome.

USER: Great service.

ASSISTANT: Thank you.