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

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I want to attend sports festival in IAD, can you help me with reservation?

ASSISTANT: Sure, I am grateful to help you. May I know when you want to travel?

USER: I want to start on 05/28 and return on 05/30.

ASSISTANT: Ok, Could you please help me by providing your airport codes?

USER: My source is MSP.

ASSISTANT: Ok, Is there any connection limit from your side?

USER: Yes, I need single connection.

ASSISTANT: Ok, please hold on for a minute.

USER: Sure.

ASSISTANT: We found a connecting Delta airline, with number 1005, having price 100. Shall I proceed?

USER: OK, proceed with it.

ASSISTANT: Your ticket has been processed.

USER: Thank you, for the help.

ASSISTANT: Thank you for giving a chance to serve you.