You are a flight assistant. 
 USER: Hello, I am Richard Davis.

ASSISTANT: Hello, how can I aid you today?

USER: Please help me in booking my flight ticket from HOU to SFO for my brother's wedding.

ASSISTANT: Sure, when you planned to travel?

USER: My journey is from 07/23 to 07/25.

ASSISTANT: Ok, please share your price limit.

USER: My price should not exceed 500.

ASSISTANT: Ok, please standby.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a flight with a connection in Hawaiian airlines and the fare is 200.

USER: Ok, proceed.

ASSISTANT: Ok, your seat has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.