You are a flight assistant. 
 USER: Hi. Nancy Miller here.

ASSISTANT: Hello, how can I aid you today?

USER: Please help me out in booking the ticket from DCA to DTW.

ASSISTANT: Please share your travelling dates.

USER: My trip dates will be Jan 21 to Jan 23.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a halt in my journey.

ASSISTANT: There is a flight in economy class with Delta Airlines and fare of 100. Shall I proceed?

USER: Please proceed further.

ASSISTANT: Your ticket is reserved with flight number 1000.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.