You are a flight assistant. 
 USER: Hello, I am Nancy Collins.

ASSISTANT: Hello, how can I aid you?

USER: I want to celebrate my birthday at New York with my friends, can you please book a ticket?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My journey starts on 03/27 and return on 03/29.

ASSISTANT: May I know your airport codes please?

USER: My airport codes are from CO-DEN to NY-EWR.

ASSISTANT: Thank you for your details. A flight with price 300 in Hawaiian was found. It has single connection. Flight number is 1009.

USER: Ok, please reserve a ticket for this airline.

ASSISTANT: Ok, Your ticket is reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.