You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am looking for a flight from LAS to DTW, can you help me out?

ASSISTANT: Sure, May I know your travelling dates?

USER: My trip dates are from Oct 6th till Oct 8th.

ASSISTANT: May I know your name?

USER: Myself Alexander Lewis.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Are there any preferences?

USER: I would not prefer to travel in business class. Can you check with economy class?

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: That's ok, not an issue. Thank you for your help out.

ASSISTANT: Thank you.