You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name please?

USER: I am Stephen Gonzalez.

ASSISTANT: Ok Stephen, how can I help you?

USER: Can you book me a ticket from LGA to DEN on 05/25 to 05/27.

ASSISTANT: Sure, please wait for a moment.

USER: But my price limit is 5000 and connection limit is 1.

ASSISTANT: Sure, there is one flight matching with your requirements. Shall I proceed with these booking?

USER: Thanks for your help, can you book the flight for me?

ASSISTANT: Sure, your ticket has been booked with the flight number 1003 in Southwest airline.

USER: Thanks for helping me.