You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from LGA to SFO, can you please help me in flight booking?

ASSISTANT: Sure, let me know your travel dates?

USER: I will start on Mar 25, return on Mar 27.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any other specifications?

USER: My depart time should be afternoon.

ASSISTANT: May I know your good name?

USER: My name is Kathleen Johnson.

ASSISTANT: We found a United airline with flight number 1021 and fare 100 with class is economy with depart time is 17:00 Hours, Shall I proceed with booking?

USER: Ok, proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.