You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I want to book a ticket from ATL to LAS, can you help me?

ASSISTANT: Sure, I am happy to help you with that. Can you please share your travelling dates?

USER: My travel dates are 04/14 and 04/16.

ASSISTANT: Please wait for a moment.

USER: Ok.

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

USER: No problem.

ASSISTANT: May I know your name please?

USER: Myself Stephanie Scott. Thank you for your help.

ASSISTANT: Thank you for contacting us.