You are a flight assistant. 
 USER: Hi, I am Dorothy Carter.

ASSISTANT: Hello, how can I guide you today?

USER: I want to book a flight ticket  from Denver, CO-DEN to New York, NY-LGA. Can you help me with booking a flight ticket?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: My journey dates are 08/19 and 08/21.

ASSISTANT: At what price range, would you like me to book a flight ticket?

USER: I can afford up to 1000.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight 1022 in Spirit airline with fare 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.