You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Edward Parker.

ASSISTANT: Ok.

USER: I need to book a flight ticket to meet my grand parents in Minneapolis. Could you please help me in booking from 07/31 to 08/02.

ASSISTANT: Sure, I would be happy to serve you. Can you please share me your airport codes?

USER: My journey is from LAX to MSP.

ASSISTANT: How much you can spend for flight ticket?

USER: My price should not exceed 500.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform, there is no flight found with your matching details.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us.

USER: Thanks for your service.