You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I oblige you today?

USER: I am Alexander Nelson. I have to attend a Music Concert at Detroit, could you please help me with booking a flight ticket from DCA to DTW?

ASSISTANT: Can you please forward your travelling dates?

USER: I would like to depart on July 4th and return on July 6th.

ASSISTANT: May I know your halt in between your journey?

USER: I need a connecting flight.

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

USER: Ok, I will find an another alternate way to complete my trip.

ASSISTANT: Thank you for opting us.

USER: Anyways, thank you for the information.