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

ASSISTANT: Hello, how may I help you?

USER: I would like to meet my friend on 06/28 and return on 06/30. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, we are glad to help you? Can you please help me with your journey points?

USER: Sure, Washington, DC-IAD and Charlotte, NC-CLT are my near by airport codes.

ASSISTANT: Please wait, I will check and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in Spirit airline has fare 100. Shall I proceed for booking?

USER: Yes, please proceed with booking.

ASSISTANT: Your booking has been done in the flight number 1012.

USER: Thank you for your prompt service.

ASSISTANT: Thank you for opting us.