You are a flight assistant. 
 USER: Hello, I am David Smith.

ASSISTANT: Hello, how may I assist you?

USER: I want to visit DTW from my hometown LAX, can you help me with single connection of flight?

ASSISTANT: Sure, may I know your travel dates?

USER: My depart is on 04/15 and return on 04/17.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: We found an airline Frontier with flight number 1013 having a halt with price 100. Shall I proceed with booking?

USER: OK, proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.