You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Patrick Hall. I am looking for a flight from IAH to SFO, can you help me out?

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

USER: My trip dates are from 09/21 till 09/23.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 200. Shall I proceed in booking?

USER: Please proceed with it.

ASSISTANT: Your ticket has been confirmed for the flight 1004 in AA airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.