You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight reservation on the route from LAX to PHX to meet my aunt, Can you help me?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates to check the flight.

USER: My travelling dates will be from 01/11 to  01/13.

ASSISTANT: May I know your name to proceed further?

USER: Ok, please note down my name. It is Mary Scott.

ASSISTANT: Sorry Mary Scott, there is no flight in your route with your travel dates.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.