You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

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

USER: My travelling dates are Aug 04 and Aug 06.

ASSISTANT: Please share me your source and destination codes.

USER: I am heading to LGA from SEA.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight.

ASSISTANT: Please help me with your name for booking.

USER: I am Joshua Campbell.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

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

ASSISTANT: Thank you for reaching us.