You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from ATL to OAK?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to fly on Sept 24 and return on Sept 26.

ASSISTANT: Do you have any other requirements?

USER: I need a single connection.

ASSISTANT: May I know your name please?

USER: Myself Samantha Walker.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.