You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Emma Anderson, can you help me to book a business class ticket to EWR?

ASSISTANT: Sure, may I know your source airport code?

USER: I am planning to start at evening from PHL airport.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Please book a flight on July 13 and 15.

ASSISTANT: Ok, please wait for a while.

USER: Sure, please search for a connecting flight.

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

USER: Ok, no issues. Thank you for your time.

ASSISTANT: Thank you for opting us.