You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best can I guide you today?

USER: Can you please help me in reserving a flight ticket to DFW from CLT?

ASSISTANT: Sure, please share your travelling dates?

USER: My travel dates are from Jun 27 to Jun 29.

ASSISTANT: Do you need a connecting flight?

USER: I need a direct flight.

ASSISTANT: Can I know your good name?

USER: I am Ronald Garcia.

ASSISTANT: Is there any other specifications?

USER: Ok.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.