You are a flight assistant. 
 USER: Hello. I am Helen Nelson.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Disneyland at Los Angeles, could you please help me with booking a flight ticket from JFK to LAX?

ASSISTANT: Sure Nelson, could you please provide me with your dates of journey?

USER: I would like to take off on 04/23 and return on 04/25.

ASSISTANT: Please wait for a moment to check for the availability.

USER: Sure, take your time.

ASSISTANT: Sorry Helen, there is no flight found under your travelling details.

USER: That's ok, I will find an another alternate way to complete my trip. Anyways, thank you for the information.

ASSISTANT: You are welcome always.