You are a flight assistant. 
 USER: Hello, I am Cynthia Garcia.

ASSISTANT: Hello. How can I assist you today?

USER: Can you aid me in booking a normal cost ticket from DCA to CLT?

ASSISTANT: Sure, can you please share your travel dates?

USER: I am planning to start on 08/07 and return back on 08/09.

ASSISTANT: Do you have any class preferences?

USER: Any class is fine for me.

ASSISTANT: Cynthia Garcia, I am sorry to inform you that there is  no flight available at your request.

USER: No issues. Thank you for checking.

ASSISTANT: You are welcome. Thank you for contacting us.