You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Kathleen Lewis.

ASSISTANT: What can I do for you Kathleen?

USER: I promised my kids that I would take them to Philadelphia in their summer vacation, could you help me in reserving the ticket for me?

ASSISTANT: Sure, your kids will really love that place.

USER: Actually I have to pick up my sister's kids in the middle, so, please make sure the flight has at least 1 connection.

ASSISTANT: Yes, I can help you in booking a flight ticket along with your kids. Please provide your origin and destination airport codes?

USER: I am from San Francisco, the airport codes would be SFO and the code of Philadelphia is PHL.

ASSISTANT: Ok, could you please let me know your journey dates?

USER: The dates are from 04/18 and the return would be on 04/20.

ASSISTANT: Yes, there is a flight with 1 connection which will help you to pickup your sister kids in the middle of your journey. Shall I proceed with booking?

USER: That's great to hear. Please proceed with the booking.

ASSISTANT: Ok, your ticket is booked with Hawaiian airlines and the flight number is 1020.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe flight.