You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Ryan Adams. I want to book a ticket from IAD to LAS, can you help me?

ASSISTANT: Yes, I can help you. Can you share me your travel dates?

USER: My travel dates are 05/20 and 05/22.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found a flight ticket with a price of 100 and it is a direct flight.

USER: You can book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.