You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from DCA to ATL, can you please help me in booking?

ASSISTANT: May I know your itinerary dates please?

USER: I will start my journey on Aug 30 and return back on Sept 01.

ASSISTANT:  May I know your preferable journey timings?

USER: I don't have any specific time.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need a connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: My name is Shirley Hernandez.

ASSISTANT: Sorry Shirley Hernandez, there is no flight running on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Thanks for reaching us.