You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to conduct an workshop in LAX. Can you please make a reservation from PHL?

ASSISTANT: Sure, may I know the travelling dates?

USER: Sure, I want to travel on Apr 5 and need to return on Apr 7.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single stopover.

ASSISTANT: Are there any other specifications?

USER: My return time must be in the morning.

ASSISTANT: May I know your name?

USER: I am Jerry Collins.

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

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for opting us.