You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Alexander Hall, I would like to book a plane ticket from HOU to JFK.

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my trip dates are from 09/11 to 09/13.

ASSISTANT: There is a flight with number 1001 in airline Spirit, the fare is 100 with 1 connection. Can I book it?

USER: Yes, please proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for picking us.