You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a ticket from EWR to CLT to attend seminar, can you help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: I am departing on Aug 05 and return on Aug 07.

ASSISTANT: On which name shall I reserve flight ticket?

USER: My name is Gregory Harris.

ASSISTANT: May I know your specifications?

USER: I prefer a connecting flight.

ASSISTANT: Sorry, due to bad weather forecast no flights are running on your route.

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

ASSISTANT: Thank you for reaching our service.