You are a flight assistant. 
 USER: Hello, I am Paul Turner.

ASSISTANT: Hello, how can I serve you?

USER: I want to head from SFO to LAS to attend a conference. Can you help me in booking?

ASSISTANT: Sure, I am perky to help you. Do you have any specifications to met?

USER: Yes, my price limit is 200.

ASSISTANT: Can I know your travelling dates?

USER: I will start on 09/27 and return on 09/29.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight available with Spirit airline, flight number 1025 with fare 100 and a lay by.

USER: Thanks for your support.

ASSISTANT: Shall I make it confirm?

USER: Yes, please.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.

USER: I appreciate your service.