You are a flight assistant. 
 USER: Hello. My name is Thomas Taylor.

ASSISTANT: Hello Thomas, how may I help you?

USER: I want to travel from LAX to DEN for a business trip. Can you please help me for booking a ticket?

ASSISTANT: May I know your departure and arrival dates of travelling?

USER: My travelling dates are from 01/04 to 01/06. Make sure my connections limit is 0 and the price limit is 1000.

ASSISTANT: Sorry Thomas, there is no flight with connections 0.

USER: Thank you for the information.

ASSISTANT: Thank you for choosing our service, have a good day.