You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you please help me in booking my flight ticket from CLT to BOS?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: Sure, my travelling dates are from 09/27 to 09/29.

ASSISTANT: May I know your name please?

USER: Myself Kevin Nelson.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found under your details.

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

ASSISTANT: Thank you for reaching us.