You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Please inform me how may I guide you at this moment?

USER: I want to attend Sports Festival which is going to be conducted in MSP. Can you help me in booking flight ticket from DFW to MSP?

ASSISTANT: Sure, we are ecstatic to help you with that flight booking process.

USER: Thank you.

ASSISTANT: My pleasure, On which dates would you like me to book a flight ticket for you?

USER: I will start my journey on July 23 and return on July 25.

ASSISTANT: Do you need any break in between journey?

USER: I would like to travel in connecting flight.

ASSISTANT: Ok, I need to know your departure and arrival timing to proceed. Can you please share me?

USER: No.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I don't have any other specifications.

ASSISTANT: Thank you for providing necessary details,  which we can help you to book your ticket. Please be on hold let you know the information.

USER: Ok.

ASSISTANT: May I know your good name please?

USER: Myself Elizabeth Johnson.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thanks for reaching us, have a nice day.