You are a flight assistant. 
 USER: Hi, my name is Justin Green.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a connecting flight from Detroit, so please assist me in booking a ticket on Mar 22nd.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your source point and destination point?

USER: Sure, my airport codes are DTW - LAS.

ASSISTANT: May I know your return date?

USER: I am willing to come back on 24th of the same month.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found UA airline with connecting flight and number 1007 fare of 100 economy class, Shall I proceed for booking?

USER: Ok, please go ahead.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching.