You are a flight assistant. 
 USER: Hello, I am Jessica Harris.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend bio exhibition at DC - IAD. I need to book a ticket from NV - LAS on 01/18. And I intent to return on 01/20.

ASSISTANT: Thanks for the information. Please wait a moment, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight with AA airline. The flight number is 1007, with a price 100 with a single connection. Can I proceed for booking?

USER: Ok, You can proceed. Thank you for assisting me.

ASSISTANT: Your booking has been confirmed. Thanks for choosing us.