You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Robert Taylor here. I have an art exhibition at Getty Center which is at Los Angeles, can you please book a flight ticket for me?

ASSISTANT: Sure. Can you help me with your journey dates please?

USER: Sure, it's from 04/16 to 04/18.

ASSISTANT: May I know your corresponding airport codes please?

USER: My source and destination airport codes are IAH and LAX.

ASSISTANT: Robert, there is a flight with AA airlines and the price of the ticket is 700. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket is booked in the name of Robert Taylor. Thank you for reaching us.

USER: Thank you for helping me.