You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how may I assist you today?

USER: I need to travel from LAX to DCA, can you help me?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My travel dates are 08/13 and 08/15.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other requirements to be met?

USER: My depart time must be in evening.

ASSISTANT: May I know your good name?

USER: I am Ashley Garcia.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for reaching us.