You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: I am Benjamin Walker. I am looking for some travelling agency to reserve my flight ticket. So,can you please assist me in ticket?

ASSISTANT: Sure, we are ready to help you. Ok, may I know your boarding and landing airports with codes?

USER: My boarding point is IAD and landing point is LAS.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I have planed my dates on 07/17 and 07/19.

ASSISTANT: Do you need any other specifications?

USER: Yes, I need a halt.

ASSISTANT: Thanks for your details, there is a flight found with Southwest airline of flight number 1009 and fare is 100. Shall I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you so much for your kind help.

ASSISTANT: Thanks for reaching us, have a great journey in Southwest airline.