You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please reserve me a flight ticket from SFO to LGA?

ASSISTANT: Sure, I will be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer either connecting flight or direct flight?

USER: I prefer a single connecting flight.

ASSISTANT: Kindly mention your travelling dates?

USER: My trip dates are 07/21 - 07/23.

ASSISTANT: Please forward your name.

USER: Ronald Hall here.

ASSISTANT: Do you have any other specifications?

USER: My depart time should be in the afternoon.

ASSISTANT: We are glad to inform you that there is a flight found with an Delta airline of flight 1004 in an economy class with single connection and depart time is 15:00 hours. Can I confirm your booking?

USER: Please reserve.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you.