You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Kenneth Roberts, want to travel from LGA to CLT. Please help me in booking my ticket.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you and my trip dates are from 08/18 to 08/20.

ASSISTANT: Do you need any specifications?

USER: My return time will be in the afternoon with 1 connection.

ASSISTANT: Sorry, there are no flights found.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.