You are a flight assistant. 
 USER: Hello,. I am Thomas Adams.

ASSISTANT: Hello, how may I assist you today?

USER: I need a connecting flight from Washington, can you please help me in reservation?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: Please share me your planned journey dates?

USER: My journey dates are, July 22nd and return back on July 24th afternoon.

ASSISTANT: May I know your source and destination airport codes?

USER: My source code is IAD and destination code is MSP.

ASSISTANT: Do you have any other requirement related to booking?

USER: I need a connecting flight.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for visiting us, have a nice day ahead.