You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Andrew Lee. Please book me a ticket from ORD to SFO to meet my family.

ASSISTANT: Sure, may I know your planned travel dates to check for the flight availability?

USER: I have planned to travel on 07/04 and 07/06.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking with this flight?

USER: Yes, please proceed for booking.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1007 in AA airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.