You are a flight assistant. 
 USER: Hello, my name is Pamela Anderson.

ASSISTANT: Hello,. How can I assist you?

USER: I would like to travel from CA - OAK to MN - MSP.

ASSISTANT: Sure, could you please provide your travelling dates?

USER: Sure, my preferable dates would be from Jun/29 to Jul/01.

ASSISTANT: Will you please wait a moment? I will check and get back to you.

USER: OK.

ASSISTANT: Unfortunately, no flights found on  your details.

USER: OK, thanks for your information.

ASSISTANT: Thank you.