You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura Martinez.

ASSISTANT: How can I help you today?

USER: Can you please help me in booking a flight ticket from DCA to DTW to attend a religious festival?

ASSISTANT: Sure, I am here to help you with that, can you share me your travelling dates?

USER: I am planning to depart on Sept 06 and return on Sept 08.

ASSISTANT: May I know your depart and return time?

USER: My return time should be evening.

ASSISTANT: Is there any connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.