You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I am Linda Harri. Can you make a reservation?

ASSISTANT: Sure, May I know the journey codes?

USER: I am planning to visit to Minneapolis to attend my sister's wedding, I want to start my journey at Washington, DC - DCA. My landing point is at MSP.

ASSISTANT: Please help me with your travel dates.

USER: Travel dates are on 12/28 and 12/30.

ASSISTANT: Please wait a minute.

USER: Make sure that I need a direct flight.

ASSISTANT: Sorry, No flights found with your chosen dates. Thank you for opting us.

USER: Not a problem, Thank you for your response.