You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may i be there for you?

USER: I'm Matthew Rodriguez. I need a ticket from Atlanta, GA-ATL to Detroit, MI-DTW, for an auto show.

ASSISTANT: Ok, how much can you afford for your ticket?

USER: Ticket price limit is 200.

ASSISTANT: Ok, may I know when you want to travel?

USER: 01/18 to 01/20 are dates of travelling.

ASSISTANT: Thanks for providing your details. There are no flights available at this moment on your requested dates.

USER: Thanks.

ASSISTANT: Thank you for reaching us.