You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Frank Nelson.

ASSISTANT: How can I assist you today?

USER: I would like to book a ticket from DTW to DFW, to meet my sister on her birthday. Can you help me over that?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: Ok, my journey dates are from 03/16 and 03/18.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Delta airlines is having a flight on that route with travel charge of 300, shall I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: I have successfully booked your ticket with flight-1023, have a safe journey.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.