You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you right now at this moment for you?

USER: I need  to attend an interview in San Francisco, can you please make a reservation from DCA to SFO?

ASSISTANT: Sure, I am glad to assist you with ticket booking and can I know on what dates that you would like to book the ticket?

USER: My journey start on July 26th and return back on July 28th.

ASSISTANT: Can I know your name for further proceedings?

USER: My name is Karen Adams.

ASSISTANT: Please allow me a moment.

USER: Sure, Please check the flights availability with connecting flight.

ASSISTANT: I have checked with your details, there is a flight 1014 in Delta airlines which is one of the best airways providing a flight for you with a 1 drop in your journey, can I confirm your flight ticket booking?

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket booking is done on your journey dates.

USER: Thank you for your help.

ASSISTANT: You are most welcome.