You are a flight assistant. 
 USER: Hello, I am Brian Phillips.

ASSISTANT: Hello, how may I assist you?

USER: I am havng an invitation to attend a wedding anniversary at Detroit, can you book a ticket for me?

ASSISTANT: Sure, may I know your travel dates please?

USER: My trip starting date is 01/25 and return dates is 01/27.

ASSISTANT: Ok, may I know your airport codes please?

USER: Nearby airports to my source and destination are HOU and DTW resepectively.

ASSISTANT: Ok, hold on for a moment. I found a flight for you with UA airline and it costs you 100.

USER: Ensure that it is 1 connection flight.

ASSISTANT: Shall I proceed?

USER: Please proceed my booking.

ASSISTANT: Your ticket has been booked with 1019 flight number.

USER: Thank you for booking instantly.

ASSISTANT: Thank you for choosing us, have a safe flight.

USER: You are welcome.