You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have planned trip with my ex-colleagues who are staying at Minneapolis, can you please help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know on which dates you wish to travel?

USER: Sure, my journey dates are from 04/16 to 04/18.

ASSISTANT: Ok, please share your price limit.

USER: Sure, it is 5000.

ASSISTANT: Could you help me by providing your journey codes?

USER: I want to travel from PHL - MSP. Make sure that I need a direct flight.

ASSISTANT: Ok, please wait a minute I will get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to say no flights found with your requirements.

USER: Ok, no issues.

ASSISTANT: Thank you for waiting, have a nice day.

USER: Thanks for your information.