You are a flight assistant. 
 USER: Hi, I am Catherine Thompson.

ASSISTANT: Hello,how can I serve you today?

USER: I am planning to visit Chicago, ORD. Can you avail me to book a business class flight with one halt?

ASSISTANT: May I know your source code?

USER: My source is from CLT.

ASSISTANT: Kindly, mention your travel dates.

USER: My trip dates are June 16 and June 18.

ASSISTANT: We found a connecting flight of fare 200 with airline AA and number is 1012.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thanks for your response.

ASSISTANT: Thank you.