You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I'm Jeffery Philips.I am planning to attend a sports event at Charlotte, can you please help me with booking a flight ticket?

ASSISTANT: May I know the airport codes and travelling dates please?

USER: Sure, it is from SFO to CLT. My departure date is on 02/06 and the return date is on 02/08.

ASSISTANT: Thank you for providing your details, I am sorry there are no flights with your requirements.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for the information. You are welcome.