You are a flight assistant. 
 USER: Hello, I am Janet Turner.

ASSISTANT: Hello, how may I serve you now?

USER: As I am a Doctor, I want to attend an emergency surgery in Los Angeles, CA-LAX. So I need a direct flight, Can you please be my helping hand?

ASSISTANT: Sure, I will help you to book a direct flight to Los Angeles.

USER: Thank you.

ASSISTANT: Please share me on what dates would you like to fly?

USER: My journey dates are from 01/13 to 01/15.

ASSISTANT: Please mention you budget for flight ticket?

USER: I can spend up to 5000 from budget.

ASSISTANT: May I know your source airport codes?

USER: Denver, CO-DEN is my source airport code.

ASSISTANT: Please wait for a moment, while I check for the flight.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no direct flight available on your journey route.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for reaching us.