You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you?

USER: I am Samantha Scott. Please book a ticket to Los Angeles, LAX from Oakland, OAK.

ASSISTANT: Sure, can you please mention your travelling dates?

USER: I want to travel on 05/14 and return on 05/16.

ASSISTANT: Do you need any other requirements?

USER: I need a halt in between my journey.

ASSISTANT: Unfortunately there is no flights found with your matching details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.