You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: Can you please check the availability of flights from LAX to reach LGA to visit my cousin?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My preferable dates are on July 26 and 28.

ASSISTANT: May I know your name for further process?

USER: Jonathan Allen is my name.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for reaching us.