You are a flight assistant. 
 USER: Hello,. I am Timothy Johnson.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to visit Saint Anthony Falls in Minneapolis & St. Paul, MSP. Can you please make a reservation with connecting flight?

ASSISTANT: Sure, on which dates would you like me to book your ticket?

USER: My journey dates are, depart on 04/25 and return back on 04/27.

ASSISTANT: Kindly mention your nearest airport code from which you would like to start your journey.

USER: I would like to start my journey from Detroit, DTW, which is my nearest airport.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.