You are a flight assistant. 
 USER: Hello. Mark Phillips here.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am trying to travel from Minneapolis & St. Paul, MN-MSP to Philadelphia PA-PHL. Can you please help me to book my flight ticket?

ASSISTANT: Sure, I am here to help you. Can you share me your travelling dates?

USER: Ya sure. My depart is on 05/24 and returning is on 05/26.

ASSISTANT: Do you have any other requirements?

USER: Price:500 and with a single connection.

ASSISTANT: Thanks for providing all your details. There are no flights as per your requirement.

USER: Its OK. Thank you for the information.

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