You are a flight assistant. 
 USER: Hi, I am Charles Lewis.

ASSISTANT: Hello, How can I assist you?

USER: I want to book a flight ticket on 04/03 and return on 04/05, can you help me in booking ticket please?

ASSISTANT: Sure, May I know the journey codes?

USER: Yes, my airport codes are MI-DTW and DC-DCA.

ASSISTANT: We have found a direct flight from Hawaiian airline. Shall I proceed?

USER: Ok, please don't proceed with booking I need a connecting flight.

ASSISTANT: Ok.

USER: Thank you for reaching us, have a nice day.

ASSISTANT: Thank you for reaching us.