You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to travel from New York, LGA to New York, EWR as a holiday trip.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: Sure, please share your travelling dates?

USER: Dates are 12/05 and 12/07. I need connecting flight.

ASSISTANT: May I know your good name please?

USER: Margaret Collins here.

ASSISTANT: Sorry, no flights are available with your request.

USER: No problem, Thanks for your kind service.

ASSISTANT: Thanks for choosing us.