You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello. How can I provide assistance to you?

USER: Please book me a ticket on the name Ronald Hernandez from LAX to LGA.

ASSISTANT: Sure, when do you planned to travel?

USER: My travelling dates are from 04/11 to 04/13.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Thanks for sharing your information. Unfortunately there are no flights found on your requested dates.

USER: Thanks for the information.