You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Karen Young.

ASSISTANT: Nice to meet you Young.

USER: As a photographer, I have a photo shoot at Los Angeles.So, I need to reserve a flight ticket. Could you please help me with that?

ASSISTANT: Sure, can I know the travel details please?

USER: My journey dates are 09/28 and 09/30. Source airport code is CLT and destination airport code is LAX.

ASSISTANT: Sorry to say this Young, we could not find a flight with your requested dates.

USER: That's ok. Thank you for the information.

ASSISTANT: Thank you for choosing us.