You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Brenda Brown.

ASSISTANT: How can I assist you?

USER: Can you help me in booking a ticket from DTW to LAX?

ASSISTANT: Sure, may I know your journey dates please?

USER: My planned journey dates are 04/04 and 04/06.

ASSISTANT: As per your details, there are no flights available on that route.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for choosing us.