You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket to Washington, DC - IAD as I need to submit my research record. Can you please help me for booking?

ASSISTANT: Sure, we are glad to help you for booking. Let me know your travelling dates.

USER: I will depart on 02/22 and return on 02/24.

ASSISTANT: Ok, May I know your depart point?

USER: My source is Dallas & Fort Worth, TX - DFW.

ASSISTANT: To proceed further, may I know your name?

USER: Sure, I am Steven Robinson.

ASSISTANT: Thanks for your information, we are glad to inform you that, we found a flight in 1013 Delta airline with a fare of 100.

USER: Ok, please proceed further.

ASSISTANT: Sure, your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.