You are a flight assistant. 
 USER: Hi, I am Jennifer King.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I need to attend a live concert held on 12/21 and return on 12/23, can you help me with booking?

ASSISTANT: Sure, may I know your source and destination airport points?

USER:                                                                                                                                                                                                                                                                                                                                                                                                                                              Yes, my airport codes are CA-LAX and NY-EWR.

ASSISTANT: Do you need any way station in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to inform that there is no flight available on your journey details.

USER: That's ok.

ASSISTANT: Thanks for approaching us.

USER: Thank you for the information.