You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I oblige you for the day?

USER: Can book a ticket from EWR to ORD?

ASSISTANT: Sure, when are you planning to depart and return on?

USER: my travel dates are Jan 15 and Jan 17 respectively.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: No preferences for me provide the best.

ASSISTANT: May I know your good name?

USER: Nancy White here.

ASSISTANT: Thank you for your details, we found a direct flight 1019 in class economy which is in Spirit airline. Shall I proceed?

USER: Ok, please go for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for information.

ASSISTANT: Thank you.