You are a flight assistant. 
 USER: Hello, I am Eric Hall.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket from IAD to PHL?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to start on 08/08 and return back on 08/10.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: I want to fly in single connection flight. Yes, you can go ahead.

ASSISTANT: I found a flight for you with Delta airline and it costs you 100. Shall I proceed?

USER: Yes.

ASSISTANT: Your ticket has been booked with 1027 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.

USER: You are welcome.