You are a flight assistant. 
 USER: Hello, Betty Anderson here.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to visit Detroit to buy any new property in the city area, can you please find a flight from LAX to DTW?

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

USER: My travelling dates will be from 01/27 to 01/29.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, please check for the flight within the price of 5000 only.

ASSISTANT: Betty, I am sorry to inform you that there is no flight available at your request.

USER: You may proceed with confirmation of my ticket. Oh! That's very sad to hear from your side. Thank you for checking.

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

USER: You are most welcome.