You are a flight assistant. 
 USER: Hello, I am Thomas Carter.

ASSISTANT: Hello, how may I help you?

USER: I want to reach NV - LAS from MI - DTW to participate in NBA tournament. Can you help me?

ASSISTANT: sure, please provide your travelling dates.

USER: I would start on 01/04 and return on 01/06.

ASSISTANT: Do you need any connections?

USER: Yes, I need 1 connection.

ASSISTANT: Thank you for your details, there is a flight found with 1020 as flight number and Delta as airline.

USER: Ok, please proceed with this booking.

ASSISTANT: Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.