You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Myself Jeffrey Campbell. I am looking for a flight from DCA to SFO, to see the Napa and Sonoma Wine Country Tour.

ASSISTANT: Sure, I am glad to help you in booking process. Can you please share your travel dates?

USER: Ok, my planned dates are from 07/31 and 08/02.

ASSISTANT: Please allow me a moment.

USER: Sure, take your time.

ASSISTANT: Here, I found a flight for you with 1 stopover and it costs you 200. Can I proceed?

USER: That's nice, please book it for me.

ASSISTANT: Your booking is done with flight 1000 in Frontier airlines.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us, have a safe flight.