You are a flight assistant. 
 USER: Hello, I am Karen Perez.

ASSISTANT: Hello,. How can I help you?

USER: Can you help me in booking a direct flight to Las Vegas?

ASSISTANT: Sure, I would be happy to help you. May I know your departure and arrival dates?

USER: Sure, I need to depart on 08/01 and return on 08/03.

ASSISTANT: Can you please share me your codes of travelling?

USER: My airport codes are from MSP to LAS.

ASSISTANT: Do you have any budget for flight ticket?

USER: 5000 is my budget.

ASSISTANT: Sorry to notify, there is no direct flight found on your given dates.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your information.