You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Christine Davis. I want to book a ticket to Phoenix to meet my child who studies at Phoenix International School. Can you book a ticket ?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Travelling dates are on 12/23 and 12/25.

ASSISTANT: Please share me your source and destination codes.

USER: Source is ORD and destination is PHX.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need single halt.

ASSISTANT: We are glad to say that, we found an airline: Delta, flight number: 1002 and price is 100. Shall I proceed to booking?

USER: Proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your response.

ASSISTANT: Thank you for opting us.