You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking a flight ticket from LAS to LGA?

ASSISTANT: Sure, please share me your travel dates.

USER: Sure, my travel dates are from July 05 to July 07.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I would like to prefer connecting flight.

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

USER: Myself Mary Clark.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for opting us.