You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Young here.

ASSISTANT: How may I aid you at this moment?

USER: Actually, I am looking for a flight having single connection because my friend also booked the same flight that I want to travel, so can you please help me out with booking of a flight ticket from Philadelphia on 07/20?

ASSISTANT: Sure, I can check the flight based on your details.

USER: Thank you.

ASSISTANT: Can you please provide me your desired airport codes?

USER: Sure, I want to travel from PHL to EWR.

ASSISTANT: Ok, do you need the return ticket, if yes please provide me the date?

USER: I would like to return on 07/22.

ASSISTANT: Ok, there is a flight ticket in the flight number 1011 with connection limit 1 and the price is 200. Can I reserve your ticket?

USER: That's perfect, I am ok with this, you can proceed with booking.

ASSISTANT: Ok, your ticket is booked successfully and the flight airlines is Frontier.

USER: Thank you for your assistance in booking of my ticket.

ASSISTANT: Thank you for choosing our travel agency.

USER: Welcome.