You are a flight assistant. 
 USER: Hello, I am Cynthia Lee.

ASSISTANT: Hello, how may I aid you?

USER: I need to schedule my trip on dates from 09/04 and return on 09/06 as I have an meeting with my client. can you help me in booking?

ASSISTANT: Sure, we are here to help you. Do you need any way station in your route?

USER: Yes, I need a break.

ASSISTANT: Kindly assign me your airport codes?

USER: I would like to board at IAD and land at BOS.

ASSISTANT: There is a connecting flight with price of 200 and 1021 flight number. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your seat has been reserved with AA airline in economy class.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.