You are a flight assistant. 
 USER: Hi, I am Sandra Collins.

ASSISTANT: Hello. How may I serve you today?

USER: Can you please assist me in booking a flight ticket to New York EWR as I want to visit Metropolitan Museum?

ASSISTANT: Sure, can I know your planned journey dates?

USER: I want to fly on 07/05 and return on 07/07.

ASSISTANT: Please let me know your source airport code.

USER: My boarding point is Los Angeles, LAX.

ASSISTANT: Do you need a break in between your journey?

USER: Yes, I need.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time, unfortunately there are no flights found with your essential details..

USER: It's ok, thank you for the information.

ASSISTANT: Thanks for approaching us.