You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: William Robinson here. Can you help me to find a flight from JFK to EWR?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My travelling dates are 11/13 and 11/15.

ASSISTANT: Can I have a moment please? I will check the availability.

USER: Sure, take your own time.

ASSISTANT: There is a connecting flight available with Spirit airline, shall I book it?

USER: You can proceed.

ASSISTANT: Your booking is done with flight number 1018. Happy journey.

USER: Thanks for your help.

ASSISTANT: You are welcome, have a nice day.