You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me to book a business class ticket from IAH?

ASSISTANT: May I know your trip dates?

USER: My travelling dates are Feb 26 and 28.

ASSISTANT: May I know your destination details?

USER: I would like to return from OAK at afternoon.

ASSISTANT: Do you prefer any specifications?

USER: I need a connecting flight.

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

USER: No issues.

ASSISTANT: May I know your name?

USER: My name is Rebecca Thompson.

ASSISTANT: Thank you.

USER: Thank you.