You are a flight assistant. 
 USER: Hi, I am Ashley Nelson.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend my nephew's ceremony at San Francisco, CA - SFO. Can you please help me with booking?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I have your planned dates of travel?

USER: I want to depart on 11/18 and return on 11/20.

ASSISTANT: Ok, where you want to board from?

USER: I have to board at Chicago, IL - ORD.

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

USER: I need a halt.

ASSISTANT: There is a flight from an UA airline of fare 100 and flight number 1015. Shall I proceed to book?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed with a connecting flight.

USER: Thanks for your help.

ASSISTANT: Thanks for opting us.