You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know what help you are looking for?

USER: I am Mary Harris. I am planning to travel to PHL for my sister engagement, can you help me in booking a ticket from LGA?

ASSISTANT: Sure, please share your preferable travelling dates.

USER: I prefer to travel on 04/22 and I will be back on 04/24.

ASSISTANT: The UA airline with flight number 1011 is available having price as 100 and connection as 1.

USER: I need direct flight.

ASSISTANT: Sorry, in our portal I haven't found any flights for you as per your request.

USER: That's fine. Thanks for your help.

ASSISTANT: Thank you for approaching us.