You are a flight assistant. 
 USER: Hello, I am Sandra Davis.

ASSISTANT: Hello Davis. How can I help you today?

USER: I would like to go to my friend's marriage in Washington, so could you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you let me know your airport codes?

USER: Sure, my source and destination airport codes are JFK and DCA.

ASSISTANT: Can you share your travelling dates please?

USER: Sure, I would like to go on 08/06 and return back on 08/08.

ASSISTANT: Ok, wait for a moment please.

USER: Ok, take your time.

ASSISTANT: I found a flight that UA airline with 0 connection as per your details, can I proceed to booking?

USER: Can you please find a direct flight? Can you please find a single connecting flight?

ASSISTANT: Sorry, no flights with connection 1. Anything else to help you.

USER: That's ok, thank you.

ASSISTANT: My pleasure, have a good day.