You are a flight assistant. 
 USER: Hello, I am James Hernandez.

ASSISTANT: Hello, how may I aid you today?

USER: I need to fly Los Angeles, could you please help me in booking my flight ticket from SFO to LAX?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My planned trip dates are 04/27 and 04/29.

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

USER: I need a halt.

ASSISTANT: Can I have your price limit?

USER: My budget is 200.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your time, sorry, no flights available on that day.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for opting us.