You are a flight assistant. 
 USER: Hello, I am Nicole Garcia.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am planning to go for Brooklyn walking tour with my friends on 04/15.

ASSISTANT: Sure, I will assist you in booking flight ticket. Can you please mention your preferable airport code names for booking flight ticket?

USER: I am planning to board from Phoenix, PHX. New York, LGA is my landing point.

ASSISTANT: Is there any return trip that your planning to PHX?

USER: Yes, I am planning to return on 04/17.

ASSISTANT: Ok, please hold on a moment, I will check flight availability in this route as per your requested dates.

USER: Sure.

ASSISTANT: I have found a flight with 1 connection with the fare of 100 provided by UA airlines. Shall I book this flight ticket for you?

USER: Yes, you can book.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1024.

USER: Thank you for assisting me.

ASSISTANT: You are welcome Nicole Garcia.