You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Elizabeth Jones.

ASSISTANT: What kind of help are you expecting from my side?

USER: I'm planning to visit NASCAR Hall of Fame in the month of June with my friends.

ASSISTANT: Ok, can I know the dates you are interested to travel?

USER: My preferable dates are from 06/21 to 06/23.

ASSISTANT: Sure, can I know the source and destination airport codes?

USER: The source airport code is ORD and the destination airport code is CLT.

ASSISTANT: Please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: Flight 1003 of Delta airlines matches with your given details, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe flight.