You are a flight assistant. 
 USER: Hello, I am Jacob Thomas.

ASSISTANT: Hello, how can I help you?

USER: Please book me a direct flight from LAX to CLT as I have to consult my doctor.

ASSISTANT: Sure, we are ecstatic to help you. When are you planning to make your journey?

USER: I would start on 02/19 and return on 02/21.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok.

ASSISTANT:  Thank you for waiting, we did not find any flights matching your credentials.

USER: It's Ok, thanks for your response.