You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is William Miller. I just need your help in making my reservation from DCA to MSP.

ASSISTANT: Ok, may I know your journey dates please?

USER: My planned journey dates are from 07/08 to 07/10.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: There is a flight with Frontier airlines available with price 100. Shall I book the ticket for you?

USER: Ok, please confirm my reservation.

ASSISTANT: Your ticket is confirmed and the flight number is 1007.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us, have a safe journey.