You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you aid me in booking a flight ticket from ORD to LGA?

ASSISTANT: Yes, can you share me your travelling dates?

USER: Sure, I would like to go on Aug 25th and return back on Aug 27th.

ASSISTANT: Do you have any preferences?

USER: Ensure it is a single connecting flight.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connecting flight.

USER: Ok, please proceed for further.

ASSISTANT: Can I know your name for booking?

USER: Myself Michael Lopez.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.

USER: Welcome.