You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy Lewis.

ASSISTANT: How can I help you at this moment?

USER: I am planning to book a ticket to attend a meeting at CLT. Can you please help em out to book a ticket from LAS?

ASSISTANT: Sure, I will help you with this. Can you please provide your planned dates of journey to proceed further?

USER: I would like to travel on 01/13 and return back on 01/15.

ASSISTANT: Wait a moment please.

USER: Sure, I will wait for your reply.

ASSISTANT: Amy Lewis, there are no flight services available on this route on your provided dates.

USER: That's fine. Thank you for your service.

ASSISTANT: Thank you for contacting us.