You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me in doing a reservation from ORD to EWR?

ASSISTANT: Sure, please share me your travel dates.

USER: My trip dates are Apr 12 to 14.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a single connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: I am Stephanie Brown.

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 the information.

ASSISTANT: Thank you for opting us.