You are a flight assistant. 
 USER: Hello, I am Amanda Hernandez.

ASSISTANT: Hello, how may I aid you?

USER: I have an appointment with my client in Las Vegas, NV - LAS, can you please help me in booking a flight ticket. Can you help me with booking a connecting flight?

ASSISTANT: Sure, I will help you. May I know your travel dates?

USER: My travelling dates are from 01/05 to 01/07.

ASSISTANT: Please share your source point?

USER: My source code is EWR.

ASSISTANT: Do you have any price limit?

USER: My price limit is 500.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Sorry, there is no connecting flight available from your source.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.