You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: I'm Kenneth Clark. I am planning to attend live concert at BOS, can you please help me with booking a flight ticket from IAD?

ASSISTANT: Yes, I will try for best assistance.

USER: Thank you.

ASSISTANT: Could you provide me your travel dates?

USER: Sure, I would like to take off on 12/09 and return back from Boston on 12/11.

ASSISTANT: Give me a second, I will revert back to you.

USER: Sure, take your own time.

ASSISTANT: I have found a flight ticket with a price of 200 and 1 connection. Can I book the ticket for you?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket has been booked. Thank you for reaching us.

USER: Thank you for your help.