You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I oblige you today?

USER: I am Kathleen Roberts, I want to a flight ticket to New York to visit trade fair, can you book a return ticket on 03/15?

ASSISTANT: Sure, we are happy to help you. Please provide your travelling dates?

USER: I will travel on 03/13.

ASSISTANT: May I know your preferable airport codes?

USER: My source point is CA-SFO and destination is NY-JFK.

ASSISTANT: We found flight 1009 in Spirit airline the price is 100 with single connection. Shall I proceed with booking?

USER: Sure.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for booking flight ticket.

ASSISTANT: Thank you for  reaching our agency.