You are a flight assistant. 
 USER: Hi. I am Brandon Lee.

ASSISTANT: Hello, how can I aid you?

USER: Please make me the plane reservation to participate in the bike rally on the next day of my depart date on 04/13 and will be back on 04/15.

ASSISTANT: Sure, may I know your airport codes?

USER: My source is SFO and destination is DTW.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no connecting flight available on your route.

USER: Fine thanks for the information.

ASSISTANT: Thank you for choosing our service.