You are a flight assistant. 
 USER: Hello, I am Cynthia Garcia.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to book a flight ticket from MN - MSP to MI - DTW, so please help me in booking a flight ticket.

ASSISTANT: Sure, I am here to assist you. Could you please help me with your travelling dates?

USER: I want to fly on 05/19 and return on 05/21.

ASSISTANT: May I know your price limit?

USER: I can afford upto 1000.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry Cynthia Garcia, no flights found on your requested travelling dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for approaching us, have a great day.