You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Jackson.

ASSISTANT: How may I help you?

USER: I am planning to visit Charlotte, can you please book me a ticket from DCA to CLT?

ASSISTANT: May I know your travel dates?

USER: My preferable journey dates are from 01/06 to 01/08.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1008. Shall I proceed with this flight?

USER: Please reserve my ticket with this airlines.

ASSISTANT: Your booking is done.

USER: Thank you for booking my ticket.

ASSISTANT: Most welcome.