You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Mary Clark. I need to book a flight ticket to collect my seminar record at AUS. Could you please help me with booking a flight ticket from IAD?

ASSISTANT: Sure, I will help you in booking the flight ticket. May I know your planned travel dates?

USER: Sure, I intend to board on July 5th and return on July 7.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a economy class.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100 in an economy class. Shall I proceed in booking?

USER: Yes, please.

ASSISTANT: Your ticket has been confirmed for the flight 1010 in UA airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for your service.

USER: Thank you for reaching us.