You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight from PHL to attend a robotic workshop in IAH, can you please help me in booking?

ASSISTANT: Sure, could you please share your trip dates?

USER: Sure, I intend to start on 12/07 and my return date will be on 12/09.

ASSISTANT: May I know your good name?

USER: I am Virginia Brown.

ASSISTANT: Do you have any preferences?

USER: I am comfortable with any kind of flight, please proceed.

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

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.