You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Wilson.

ASSISTANT: How may I aid you today?

USER: I am looking for a flight from EWR to MCO, can you please help me in booking?

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

USER: My travelling dates are Nov 30 and Dec 02.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you want to fly with economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Please provide your specifications.

USER: My return time in evening.

ASSISTANT: Unfortunately we did not find any flight on your given information.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you.