You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please make a airlines reservation with the name of Ryan White?

ASSISTANT: Sure, can you please share your travelling airport codes?

USER: My airport codes are, ATL to PHL.

ASSISTANT: On which dates you want me to book your tickets?

USER: My journey start on Apr 2nd, and intend to return back on Apr 4th.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight. And I prefer to travel in economy class.

ASSISTANT: May I know your name?

USER: I already mentioned above.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.