You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Pamela Robinson here.

ASSISTANT: How can I help you?

USER: Can you please help me in booking my flight from ATL to reach LAS?

ASSISTANT: Let me know your travelling dates.

USER: Sure, my travel dates are July 8th and 10th.

ASSISTANT: Do you have any preference?

USER: I need a single connecting flight for my journey which return in the afternoon.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, not a problem.

ASSISTANT: Thank you.

USER: Anyways, thank you.