You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Katherine Nelson. Please book me a ticket from ORD to JFK to meet my family.

ASSISTANT: May I know your travel dates?

USER: I have planned to travel on 05/20 and 05/22.

ASSISTANT: Do you have any preferences?

USER: I need a halt.

ASSISTANT: Flight-1001 is available in AA airlines with single connection and the flight fare is 100. Can I proceed?

USER: Yes, please book this ticket.

ASSISTANT: your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.