You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Matthew Evans. Can you please book me a ticket from LAX to attend a meeting at JFK?

ASSISTANT: Sure, let me know your travelling dates.

USER: My trip dates are Aug 7th and 9th.

ASSISTANT: Do you have any other specifications?

USER: I need a single halt in between.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: Ok, no problem not an issue. Thanks for searching.

ASSISTANT: Thank you for choosing us.