You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Ryan Lee.

ASSISTANT: How can I assist you at this moment?

USER: I want to meet my friend as he met with an accident, could you please help me to book my flight ticket from DFW to DTW?

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: Sure, I will depart on 12/28 and return back on 12/30.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Frontier airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Sure, please book the ticket.

ASSISTANT: Ryan Lee, your ticket is booked with flight number 1026.

USER: Thank you very much for your help.

ASSISTANT: Thank you, have a safe journey.