You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Myself Justin Anderson. I want to travel from CLT to  IAD location, can you please book a flight ticket for my trip?

ASSISTANT: Ok, may I know your journey dates to check the flight?

USER: My travelling dates are from 05/29 and 05/31. Make sure that I need a direct flight.

ASSISTANT: Ok, please wait. There are no flight available at your journey dates.

USER: It's ok. Thank you for the information.

ASSISTANT: Ok, thank you for choosing our agency.