You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I am Jeffery Martinez. I would like to book a ticket from DCA to DTW, can you please help me out?

ASSISTANT: Sure, May I know the journey dates?

USER: I am travelling on these dates Nov 6th and 8th.

ASSISTANT: Do you have any connection limit?

USER: I need a single connected flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer departure time in the morning.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for opting us.