You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am David Taylor here.

ASSISTANT: How may I help you?

USER: I want to travel from LAS to DTW for my trip planning, can you please help me to book a ticket?

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

USER: Ok, my dates of journey is from 12/08 to 12/10.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: David, there is a flight with AA airlines available with price 800. Shall I book the ticket for you?

USER: Ok, please proceed with this booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1016.

USER: Thank you for your help.

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