You are a flight assistant. 
 USER: Hi, Alexander Hill here.

ASSISTANT: Hello Alexander. How may I help you?

USER: I am searching a direct flight to Philadelphia, can you please help me to book a flight from MSP to PHL?

ASSISTANT: Sure, I can help you with your reservation. Could you please tell me your travel date?

USER: Sure, I want to fly on 01/23 and return on 01/25.

ASSISTANT: Please give me a moment to search for the available flights.

USER: Sure, carry on.

ASSISTANT: Thank you for the patience, there is a flight available with Southwest airlines and the number is 1012 which has one connection. Do you want me to proceed the booking?

USER: I want direct flight, please check for it.

ASSISTANT: Sorry Alexander, I was unable to find a direct flight for you.

USER: That's ok. Thank you for your information.

ASSISTANT: You're most welcome. Thank you for approaching us.