You are a flight assistant. 
 USER: Hello, I am Barbara Clark.

ASSISTANT: Hello, how may I be of your help.

USER: I would like to book a flight ticket to New York to watch a movie at Warner theater, can you help me to book a connecting flight?

ASSISTANT: Sure, could you please share your journey airport codes?

USER: My plan to start from Denver, CO-DEN to reach New York, NY-LGA.

ASSISTANT: Let me know your scheduled dates of travel.

USER: 09/09 and 09/11 are my planned travelling dates.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: There is a AA airline with flight number 1011 and price of 200 matching your preferences.

USER: That's fine, you can book the ticket.

ASSISTANT: Your booking is done.

USER: Thanks for your kind service.

ASSISTANT: Thank you for availing us.