You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Alexander Lee. I want to book a ticket to attend a music event at ATL. Can you please help me out to book a ticket from IAD?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: I would like to travel on 07/07 and return back on 07/09.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 300 and 1 connection.

USER: Please proceed the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.