You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am William Hill. I would like to fly to Charlotte, NC-CLT to meet my old friend to start a new business, can you help me in booing a connecting flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: My planned journey dates are 04/11 and 04/13.

ASSISTANT: Kindly assign me your source code?

USER: It's ORD.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: We found 1005 Delta airline with single connection and price of 100. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.