You are a flight assistant. 
 USER: Hello, I am Rachel Brown.

ASSISTANT: Hello, what can I do for you?

USER: I would like to travel from DTW to MSP. can you please help me to book a ticket?

ASSISTANT: Sure, may I know your intended dates of journey?

USER: My travelling dates will be on 01/14 to 01/16.

ASSISTANT: Is there a connection you need in between your journey?

USER: I need a direct flight.

ASSISTANT: Ok, give me a minute.

USER: Ok.

ASSISTANT: Thank you for waiting. There are no flights found according to your preferences.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for choosing us.