You are a flight assistant. 
 USER: Hello. Kenneth Phillips here.

ASSISTANT: Hello. How can I help you?

USER: I like to go PHL for my vacations from my current location DFW.

ASSISTANT: Ok, can I know the travel dates please?

USER:  I have planned to book my round trip ticket from 12/26 to 12/28. Please make sure this, my price limit is 500 and connection limit is 1.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: I found a flight for you with single connection and price is 100. Shall I book it?

USER: That's nice. Please proceed my ticket booking.

ASSISTANT: I have booked your ticket with flight number 1011 and airline is JetBlue.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.