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

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a ticket to TX - HOU to visit my friend hometown , could you make a reservation with connecting flight?

ASSISTANT: Sure, help me with your travelling dates.

USER: My travelling dates are from 04/22 to 04/24.

ASSISTANT: May I know your price limit?

USER: My price limit is 500.

ASSISTANT: What is your nearest airport to start your journey?

USER: My source code is NV - LAS.

ASSISTANT: Thanks for providing details. Unfortunately, no flights were found on your desired route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.