You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I want normal cost airline from New York city. Can you please help me out?

ASSISTANT: Sure, May I know the journey codes?

USER: My travelling airport codes are LGA to PHL.

ASSISTANT: Please help me with your travelling dates.

USER: My travelling dates are may 17 and May 19.

ASSISTANT: Do you have any connection limit?

USER: I need single connection flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Myself John Miller.

ASSISTANT: Please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for opting us.