You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in booking my flight ticket from CLT to EWR?

ASSISTANT: May I know your travel dates?

USER: My planned travel dates are Aug 06-08.

ASSISTANT: Let me know your connection limit.

USER: I prefer to fly in connected flight.

ASSISTANT: Is there any other concern?

USER: I want to return in the evening.

ASSISTANT: May I know your name?

USER: Myself, Benjamin Lopez.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Welcome Benjamin Lopez.