You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Fox Theater with my friends at ATL, can you help me with booking on Oct 25?

ASSISTANT: Sure, please share me your source airport code?

USER: My source airport code is OAK.

ASSISTANT: May I know your return travel date?

USER: I intend to catch return flight on Oct 27.

ASSISTANT: Do you want nay connection?

USER: I need a connecting flight.

ASSISTANT: Please mention your class preference?

USER: I want to travel in economy class.

ASSISTANT: May I know your good name?

USER: I am Jessica Harris.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for reaching us, we hope see you again.