You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Samuel Garcia. I am planning to travel from LGA to DEN for a business trip. Can you please help me with the booking a flight ticket?

ASSISTANT: Sure Samuel, may I know the dates your planning please?

USER: Sure, my departure date is on 04/19 and the return date is on 04/21.

ASSISTANT: Ok, please hold on.

USER: Sure. Please make sure that the connection limit should be 1.

ASSISTANT: Ok, the flight with airline Spirit and number 1003 with connections limit 1 of cost 100 has found as per your details. Shall I proceed to book?

USER: But I need the flight ticket with 0 connection.

ASSISTANT: Sorry, there is no flight for connections limit 0.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: Thank you, for reaching us.

USER: You are welcome.