You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to meet my grand father in SEA. Can you please make a reservation from IAD?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: Sure, I want to travel on Sept 25 and need to return on Sept 27.

ASSISTANT: May I know your name?

USER: I am Alexander Rodriguez.

ASSISTANT: Do you need any connections between your trip?

USER: Yes, I need a flight with single connection.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: As per your requirements there is a Spirit airlines, flight number:1027 is going on your way with single connection and price:100. Is that Ok for you?

USER: Ok, please confirm.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.