You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket from IAD to IAH to attend Cultural festival.

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My travelling dates are Dec 7 and Dec 9.

ASSISTANT: Can I know your name?

USER: Sure, I am Raymond White.

ASSISTANT: let me know your connection preferences?

USER: I want single connected flight.

ASSISTANT: There is a economy class flight 1010 of Spirit airlines, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Welcome.