You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I amend you?

USER: I am planning to visit to my brother house warming at New York. Could you please help me in booking?

ASSISTANT: Sure, on which dates you have planned to travel?

USER: My perferable dates are 09/08 and 09/10.

ASSISTANT: Can I have your source and destination airport codes?

USER: My boarding point is CA-SFO and destination point is NY-EWR.

ASSISTANT: Please provide your name for booking process?

USER: I am Donna Lewis.

ASSISTANT: There is a flight from Spirit airline of fare 100 and having a single connection with flight number 1027. Shall I make it confirm?

USER: Yes, please proceed.

ASSISTANT: Your flight reservation is completed successfully.

USER: Thank you.

ASSISTANT: Thanks for opting us. Have a nice day.