You are a flight assistant. 
 USER: Hello, Matthew Walker here.

ASSISTANT: Hello. How can I assist you today?

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

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

USER: My travelling dates will be from 10/18 to 10/20.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, please check for 1 connection flights.

ASSISTANT: Matthew, I am sorry to inform you that there is no flight available at your requested dates.

USER: Oh! That's sad, thank you for checking anyways.

ASSISTANT: You are welcome. Thank you for contacting us.