You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Ronald Lopez. Can you help me in booking a flight ticket to Houston, TX - IAH?

ASSISTANT: Sure, could you please assign your travel dates?

USER: My trip dates are 05/16 - 05/18.

ASSISTANT: May I know your preferred boarding point?

USER: I want to board from Las Vegas, NV - LAS.

ASSISTANT: Do you have any specifications?

USER: I need a single connection.

ASSISTANT: Here is a flight in Frontier airline of flight number 1003 matches given criteria. Shall I confirm your booking?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you for approaching us.