You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

USER: I am Susan Gonzalez I need to book a direct flight, Can you please help me with that?

ASSISTANT: Please provide travelling airport codes?

USER: My Source point is MSP to SEA.

ASSISTANT: Please let me know travelling dates?

USER: I would like to travel on 09/03 to intend return on 09/05.

ASSISTANT: No flight found for your requirement.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks.