You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I need to book a flight ticket from Charlotte, NC-CLT to Washington DC-IAD.

ASSISTANT: OK, can you provide me your journey dates?

USER: Sure. My intend travel dates should be on 07/08 and 07/10.

ASSISTANT: OK, please wait a while, let me check the details.

USER: OK.

ASSISTANT: Can you provide your good name?

USER: My name is Susan Garcia.

ASSISTANT: Sorry, to inform you that there is no flight found on your details.

USER: OK. Not an issue.

ASSISTANT: Thank you.

USER: Have a nice day.