You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit one of the famous place in Los Angeles that is Rodeo Drive, so I need a flight ticket from Washington. Can you assist me?

ASSISTANT: Sure, on whose name do you want me to book the flight?

USER: I want to book the ticket with my name Scott Lee.

ASSISTANT: Ok, can you provide me the travel dates?

USER: I want to start my journey on 03/23 and I want the return ticket also, the date of returning is 03/25.

ASSISTANT: Ok Scott, can you provide me your travel codes?

USER: The source location is Washington, DCA and the destination location is Los Angeles, LAX.

ASSISTANT: Thank you Scott for providing your travel codes. Can you please wait for a moment?

USER: Sure, I will wait for your response.

ASSISTANT: Scott, we regard to inform that the is no flight available.

USER: It's ok, thank you for the information.

ASSISTANT: Your welcome. Thank you for choosing our agency.