You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to attend a seminar in PHL, can you help me in booking a ticket from LGA?

ASSISTANT: Sure, could you please let me know your travel dates?

USER: I am departing on Sep 11 and return on Sep 13.

ASSISTANT: Ok, may I know your name?

USER: My name is Deborah Young.

ASSISTANT: Ok, do you have any requirements?

USER: I need a flight with connection limit 1.

ASSISTANT: Ok, please wait. Let me check.

USER: I want a flight with normal-cost airlines.

ASSISTANT: I am sorry to inform you, there is no flight available as per your requirements.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome and have a nice day.