You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Larry Martin. I am an artist, I would like to display my arts at Museum of contemporary at Los Angels, help me in booking  my flight ticket with single connection flight.

ASSISTANT: Sure, can you please share your travelling details?

USER: My Origin is DC-DCA and my destination is CA-LAX.

ASSISTANT: Kindly mention your travel dates.

USER: I would like to start on 09/11.and planning to return on 09/13.

ASSISTANT: Sorry we did not find a connecting flight matching your criteria.

USER: No worries.

ASSISTANT: Thank you for choosing us.