You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from PHX to LGA?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Aug 19 and Aug 21.

ASSISTANT: Please share your name.

USER: My name is Alexander Lee.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: There is a flight with your requirement, airline is Frontier Airlines with price 100 and direct flight.

USER: Please proceed with booking.

ASSISTANT: Your booking is done and flight number is 1004.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.