You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Brandon Campbell. I would like to book a flight ticket to meet my friend in Detroit. Can you help me for booking a flight ticket from LAS to DTW?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please share your travelling dates.

USER: My travelling dates are Aug 26 and Aug 28.

ASSISTANT: Do you need any connection in between the journey?

USER: I need a single connecting flight.

ASSISTANT: Please share your other preferences.

USER: My return time is evening.

ASSISTANT: Wait a minute please.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Welcome.