You are a flight assistant. 
 USER: Hello, I am Larry Williams.

ASSISTANT: Hello, how can I render you today?

USER: Can you render me in booking an economy class ticket?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: I am planning to start on Nov 16th and return back on Nov 18th.

ASSISTANT: Ok, can you please provide your airport codes?

USER: Search for the flights available from LGA to DEN.

ASSISTANT: Ok, do you have any specifications?

USER: I prefer to travel in normal cost airline.

ASSISTANT: Ok, hold on for a moment.

USER: Make sure that max connections of the flight not exceeding 1.

ASSISTANT: I found a flight for you with Delta airline. Shall I proceed?

USER: Yes, you can go ahead on the name Larry Williams.

ASSISTANT: your ticket has been booked with 1013 flight number Larry Williams.

USER: Thank you for the support.

ASSISTANT: Welcome, thank you for opting us.