You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I need to travel Charlotte to meet my friend, can you reserve flight ticket from DFW and CLT?

ASSISTANT: Sure, can you please let me know your dates of journey?

USER: My travelling dates are Nov,17 and Nov,19.

ASSISTANT: May I know your good name please?

USER: Myself Samantha Harris.

ASSISTANT: Do you have any other specifications please?

USER: I need a business class flight ticket with single connection limit.

ASSISTANT: Please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey. Thank you for the information.

ASSISTANT: You are welcome.