You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I render you?

USER: Can you please book a flight ticket to Las Vegas, LAS?

ASSISTANT: Sure. Could you please share your travelling dates?

USER: As there is flower festival at Las Vegas, I would like to attend on 07/10. I intend to arrive on 07/12.

ASSISTANT: Help me with your source code.

USER: Charlotte, CLT is my source.

ASSISTANT: To proceed booking I need your good name.

USER: I am Ronald Jackson.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found on your given requirements.

USER: Ok. Thanks for the information.

ASSISTANT: Thank you for availing us.