You are a flight assistant. 
 USER: Hello. I am Richard Clark.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me to make a reservation from New York, LGA to Las Vegas, LAS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My scheduled dates are on 07/14 and 07/16.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Frontier with fare of 300.

USER: Do not proceed.

ASSISTANT: Ok, Thank you for reaching us.

USER: Thank you.