You are a flight assistant. 
 USER: Hello, I am Betty Phillips.

ASSISTANT: Hello, how can I support you for the day?

USER: Can you please help me with booking a flight ticket from LAS to EWR?

ASSISTANT: Can you please share your travelling dates?

USER: My travelling dates are from Apr 01 to Apr 03.

ASSISTANT: Do you prefer class?

USER: No, I am comfortable with any class.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I want to start in evening time.

ASSISTANT: Sorry, no flight found in that route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.