You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to attend an event at Phoenix, please book my flight ticket from EWR to PHX.

ASSISTANT: Sure, I will help you. Can I have your trip dates please?

USER: Thank you so much. I want to start my journey on Apr 16th and return on Apr 18th.

ASSISTANT: May I know your name please?

USER: My name is John Johnson.

ASSISTANT: Do you have any connection preference?

USER: Yes, I need a flight having single connection.

ASSISTANT: Do you have any other requirements?

USER: No. Please check for the available flights and let me know.

ASSISTANT: I found an economy class in Frontier airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Great! Please book the ticket for me.

ASSISTANT: Ok, your booking is confirmed with flight number 1026.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.