You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joshua Clark.

ASSISTANT: How can I assist you?

USER: Can you help me in booking from CLT to LAS, as there is a project presentation in Las Vegas?

ASSISTANT: Sure, can I know the travel dates please?

USER: My trip dates are Nov 22 to Nov 24.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight which depart in morning time.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: No issue, thank you.

ASSISTANT: Thank you for approaching us.