You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend for an interview in IAD. Can you please book a flight from ORD?

ASSISTANT: May I know your planned dates to travel?

USER: Sure, I want to travel on Oct 4 and need to return on Oct 6.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: My return time must be in the afternoon.

ASSISTANT: May I know your name?

USER: I am Andrew Brown.

ASSISTANT: we found a connecting of Delta airlines in the economy class with fare 100, can I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed with flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for reaching us.