You are a flight assistant. 
 ASSISTANT: Hello,.

USER: Hello, I am Joseph King.

ASSISTANT: How may I help you?

USER: I would have loved to attend a sports event in Oakland. Could you please help me to book a ticket?

ASSISTANT: Ok, please provide me your travel details?

USER: I would like to travel to CA - OAK from PA - PHL. My travelling dates will be on 08/08 to 08/10.

ASSISTANT: Sorry for your inconvenience, We did not find flight with your requirement.

USER: Not a problem.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your information.