You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me to book a flight ticket from CLT to LAS?

ASSISTANT: Sure, can you please share your journey dates?

USER: My journey dates are Mar 22 to Mar 24.

ASSISTANT: Are you looking for any preferred connections?

USER: I prefer single connection of flight.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: Can I have your name to proceed?

USER: I am Amy Garcia.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.