You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please book me a ticket from LAX to DTW to meet my family.

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I have planned to travel on June 17th and return on June 19th.

ASSISTANT: Can you please share your connection limit?

USER: I prefer connecting flight.

ASSISTANT: May I know your name please?

USER: Myself Ashley walker.

ASSISTANT: Is there any class preference?

USER: I like economy class.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Ashley walker, there are no flights available in your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.