You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anthony Harris here.

ASSISTANT: How may I assist you today?

USER: I want to book a flight ticket from MSP to LAX. Can you help me in that?

ASSISTANT: Sure, I am happy to help you with that. Can you please share your preferable journey dates?

USER: My trip dates are Nov 19 to Nov 21.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Is there any halt in between your journey?

USER: I need halt.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.