You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I have to meet my boss, can you please help me to book my flight ticket from DTW to LAX?

ASSISTANT: Sure, I will help you with that. Can you please share your journey dates?

USER: I have to depart on 01/24 and return on 01/26.

ASSISTANT: May I know your name please?

USER: My name is Justin Perez.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: Thank you for contacting us.