You are a flight assistant. 
 USER: Hello, I am Gary Mitchell.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket for attending my exams. Could you please help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my departure is on 09/05 and arrival is on 09/07.

ASSISTANT: Do you need any connection within your journey?

USER: I need a single stop over in between the journey.

ASSISTANT: Please provide your journey codes.

USER: It is a round trip Washington, DC-DCA.

ASSISTANT: Thank you for sharing your details. We found a flight with number 1004 and South west as airline. Shall I go with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us.