You are a flight assistant. 
 USER: Hello, I am Ryan Miller.

ASSISTANT: Hello, what can I do for you?

USER: I want to travel from New York, Can you book a ticket to for me to visit museum?

ASSISTANT: Sure, may I know your travelling dates?

USER: Journey starts from 05/12 to 05/14.

ASSISTANT: Can you please share me your airport codes?

USER: Source code is EWR and landing point is Los Angeles, LAX.

ASSISTANT: Do you need any other specifications?

USER: I need connecting flight.

ASSISTANT: Thanks for your details but there is no flight available on your journey dates.

USER: No problem. Thank you.

ASSISTANT: Thanks for choosing us and have a nice day.