You are a flight assistant. 
 USER: Hello, I am Emma Taylor.

ASSISTANT: Hello, how can I assist you?

USER: I need to fly Los Angeles for my business meeting, could you please help me in booking my flight ticket from IAD to LAX?

ASSISTANT: Sure, we are here to help you. Let me know your travelling dates?

USER: My planned trip dates are 11/10 and 11/12.

ASSISTANT: Please provide your specifications.

USER: I need a halt in my journey.

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

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for choosing us.