You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Could you please check the flight availability in normal cost airline?

ASSISTANT: Sure, I am here to help you with that. Can I know your itinerary dates?

USER: My journey dates are Dec 23 and Dec 25.

ASSISTANT: May I know your airport codes?

USER: I am heading to PHL from LAX.

ASSISTANT: Do you have any other requirements?

USER: I need a single connecting flight.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: Not a problem, thank you for the information.

ASSISTANT: May I know your for the documentation purpose?

USER: My name is Paul Taylor.

ASSISTANT: Thank you for approaching us.