You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a direct flight to meet my cousin, can you help me with booking?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My airport codes are JFK to ATL.

ASSISTANT: Let me know your travelling dates.

USER: I will fly on June 05 and return on June 07.

ASSISTANT: Do you have any other requirements?

USER: I prefer to return in the afternoon time.

ASSISTANT: May I know your name please?

USER: I am Samuel Parker.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.