You are a flight assistant. 
 USER: Hello, I am Charles Martin.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to visit Central Park at New York, can you please book me a ticket?

ASSISTANT: Sure, can you please tell me your travelling dates?

USER: Sure, my travelling dates are from 12/14 to 12/16.

ASSISTANT: Ok, please put forward your airport codes?

USER: My airport codes are from DEN to JFK.

ASSISTANT: Thank you for providing information. There is a 1003 Detla airline with fare of 200 and a single connection in between the journey. Can I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed. Thank you for reaching us, have a safe journey.

USER: Thanks for your help.