You are a flight assistant. 
 USER: Hi. Amy Collins here.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you book a flight ticket for my airport codes that is from LGA to OAK?

ASSISTANT: Ok, on which dates would you like to travel?

USER: The trip dates are from 21 Aug to 23 Aug.

ASSISTANT: Is there any connection limit?

USER: I prefer a stopover flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: I am Amy Collins.

ASSISTANT: We found a connecting flight in Delta Airlines with flight number 1000 having an economy class. Shall I proceed for booking?

USER: You can book the flight ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.