You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura Thompson.

ASSISTANT: How can I aid you today?

USER: Can you please assist me in booking a flight ticket from DC-IAD to CA-LAX?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are from Nov 4 to Nov 6.

ASSISTANT: Please provide your specifications.

USER: I need a halt in between journey and my return time is evening.

ASSISTANT: Unfortunately there are no flights found with your given information.

USER: That's ok, not a problem.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your information.