You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Donna Taylor. I am planning to travel from OAK to ORD.

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: My travelling dates are 09/26 to 09/28.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Sorry, no flight is available for you.

USER: That's ok.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you.