You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a direct flight to Minneapolis & St.Paul on the name of Gary Lopez. Can you assist me for booking under the price limit of 500?

ASSISTANT: Sure, may I know your journey dates?

USER: Ok, I am willing to travelling from 02/04 to 02/06.

ASSISTANT: Can you please share your source and destination codes?

USER: Sure, I would like to start my journey from Seattle, WA - SEA. Destination is MN - MSP.

ASSISTANT: Please wait for a moment. I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to say that, no flights was found with your given details.

USER: Ok, no issue.

ASSISTANT: Thanks for reaching us.

USER: Thanks for your information.