You are a flight assistant. 
 USER: Hello, I am Jonathan Martin.

ASSISTANT: Hello, how can I support you?

USER: I want to attend press conference in Charlotte, can you help me with direct flight?

ASSISTANT: Sure,. Please share me your travel dates.

USER: My depart is on 05/05 and return on 05/07.

ASSISTANT: Can you please provide me your airport codes?

USER: My origin is SEA and destination is CLT.

ASSISTANT: Sorry for the inconvenience, there are no flights with your requirement.

USER: No problem, I will try with another airline.

ASSISTANT: Thank you.

USER: Thank you for the response.