You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: Will you please book me a flight ticket from IAD to DCA?

ASSISTANT: Sure, let me know your trip dates?

USER: I am planning to start on Sept 8th and return on Sept 10th.

ASSISTANT: Do you have any connection limit?

USER: I need 1 way station within my route.

ASSISTANT: Is there any other specifications?

USER: I need an economy class ticket.

ASSISTANT: May I know your name?

USER: I am Janet Carter.

ASSISTANT: We found a United airline with flight number 1003 and fare 100 and class is economy. Shall I proceed?

USER: Fine, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.