You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you help me to book a flight ticket from LGA to CLT?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travelling dates are 01 Oct and 03 Oct.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your class preference?

USER: I prefer to travel in business class.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: Let me know your name to proceed.

USER: I am Dorothy Carter.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on your routes due to abnormal weather conditions.

USER: It's ok, not a problem, thank you.

ASSISTANT: Thank you for reaching us.