You are a flight assistant. 
 USER: Hello, I am Deborah Collins.

ASSISTANT: Hello, how may I help you?

USER: I need to fly on 04/07 and return on 04/09. Will you help me in finding a flight on that dates and book a flight ticket?

ASSISTANT: Sure, may I know your source and destination?

USER: I want to submit my seminars at Las Vegas, NV-LAS  from Houston, TX-IAH.

ASSISTANT: Do you need any other specifications?

USER: Yes, I need a single connection and a price under 200.

ASSISTANT: We found a flight ticket in Spirit airline with fare of 200 and contains one connection. Shall I proceed for booking?

USER: Yes, Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank your your quick response.

ASSISTANT: Thanks for approaching us.