You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan Young from Washington.

ASSISTANT:  Jonathan Young, how can I assist you for the day?

USER: I am planning visit San Francisco to meet my Grandfather from IAD to SFO. Can you make a reservation for me?

ASSISTANT: Sure, I will help you with that. Could please share me your planned travel dates?

USER: Sure, my airborne is on 05/13 and recur on 05/15.

ASSISTANT: UA airline is providing a direct flight with a price of 200. Would you like to book this ticket?

USER: No, I want a single connected flight.

ASSISTANT: Jonathan Young, please hold for a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, there is no connecting flight as per your travel dates.

USER: Ok, not a problem.

ASSISTANT:  Thank you for reaching us, have a great day.

USER: Thank you for your information.

ASSISTANT: Most welcome.