You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Emily Smith. Can you book a ticket from PHL to ATL?

ASSISTANT: Sure, may I know your dates of journey please?

USER: I am planning to start on 07/06 and return on 07/08.

ASSISTANT: Sorry Smith, there is no flight found as per your travelling details.

USER: No issues. Thank you for checking.

ASSISTANT: You are welcome.

USER: You are welcome too.