You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Michael Adams. Due to some health problem to my grand mother who is staying in PHL, I have to take her to hospital. Can you please help me in flight ticket booking from LGA?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you and my dates are on 03/21 and back on 03/23.

ASSISTANT: Please wait for a while.

USER: Sure and search the flight with one connection limit in my journey.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, that's fine. Thank you for your search and information.

ASSISTANT: Thank you for your services.

USER: Welcome.