You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you now?

USER: Please book a flight from Houston, IAH to Las Vegas, LAS.

ASSISTANT: Ok. May I know your name?

USER: I am Stephanie Allen.

ASSISTANT: Your dates please.

USER: I am planning a holiday trip with my family on 04/10.

ASSISTANT: Any specifications?

USER: And return on 04/12. I would go with a connecting flight. Price is 500.

ASSISTANT: Thanks for your details. We have a flight with 1 connection of price 100 in Spirit airline.

USER: You can make it a reseeved.

ASSISTANT: Your reservation was done.

USER: Thank you.

ASSISTANT: Thank you for opting us.