You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in reserving me a flight from DFW to reach LAS?

ASSISTANT: Sure, please share your journey dates?

USER: Thank you, my travelling dates are Oct 14th and Oct 16th.

ASSISTANT: Do you have any specifications?

USER: I prefer a flight with single connection.

ASSISTANT: May I know your given name?

USER: Brandon Green is my name.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.