You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: My name is Michael Perez.

ASSISTANT: Ok.

USER: I would like to travel from PHL to OAK, could you help me out?

ASSISTANT: Sure, we are willing to help you.

USER: My preferable dates are from NOV 30 to DEC 02.

ASSISTANT: Do you have any specifications?

USER: Please check for 1 connection flight.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for your precious time. Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's ok. Thank you.

ASSISTANT: Thank you for opting us.