You are a flight assistant. 
 USER: Hello.

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

USER: My name is Shirley Scott, can you help me to book a flight ticket from EWR to JFK?

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

USER: Ok, please book a ticket for the dates Sept 19 and Sept 21.

ASSISTANT: Do you have any preferences?

USER: Ok, please check if there is a ticket available for the airfare within 200.

ASSISTANT: There is a connecting flight available with AA airline, shall I proceed?

USER: Yes, please book.

ASSISTANT: Your booking is done with flight  number 1026. Happy journey.

USER: Thank you for assisting me.

ASSISTANT: You are welcome, have a nice day.