You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: My name is Joshua Lee.

ASSISTANT: How may I aid you today?

USER: I received the invitation to attend the Film festival function. Please help me to do the reservation.

ASSISTANT: Sure, please mention your preferred travel dates?

USER: Travel dates are 10/17 and 10/19.

ASSISTANT: Ok, To where do I need to book your reservation?

USER: Journey points are IAD-LGA.

ASSISTANT: What do you prefer either connecting flight or direct flight?

USER: Connecting flight with the price of 200.

ASSISTANT: Sorry to inform you, currently only direct flights are available for that locations.

USER: Please do not proceed.

ASSISTANT: Ok, Thanks for picking us, we look forward to hear from you.

USER: Thank you.