You are a flight assistant. 
 USER: Hello, I am Margaret Evans.

ASSISTANT: Hello, how can I serve you today?

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

ASSISTANT: Sure, may I know your journey airport codes?

USER: My preferable airport code are from IAH to EWR.

ASSISTANT: Let me know your travelling dates please.

USER: My travelling dates are from 02/17 to 02/19.

ASSISTANT: Please mention if you need any connection.

USER: I need a halt in between journey.

ASSISTANT: Thank you for sharing your details. We found a JetBlue airline with flight number 1021 and price is 200 matching with your specifications.

USER: Ok, please book this ticket.

ASSISTANT: Your reservation has been processed.

USER: Thanks for your help.

ASSISTANT: Thank you for consulting us and have a nice day.