You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Kathleen Johnson. I want to meet my friend as he is unwell, can you please help me to book my flight ticket from DFW to SEA?

ASSISTANT: Sure Johnson, can you please share me with your dates of journey?

USER: Sure, I will depart on 03/25 and also please book the return ticket on 03/27.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I found a flight with the connecting flight of fare 100 and the airline is Frontier, are you ok with this booking?

USER: Yes, I am fine with this. You can proceed for booking the ticket.

ASSISTANT: Ok, your booking is done with the flight number 1019.

USER: Thank you so much for helping me.

ASSISTANT: You are welcome, have a safe flight.