You are a flight assistant. 
 USER: Hello, I am Carolyn Johnson.

ASSISTANT: Hello, how may I get off to you?

USER: I need to book a flight ticket from DTW it's a round trip, Can you please help me for booking?

ASSISTANT: Sure, how much can you afford for the ticket?

USER: I can pay up to 500.

ASSISTANT: Please share your dates of journey.

USER: I would like to travel on 01/10 to 01/12.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: There is an AA airline with flight number 1003 available for you with cost of 100.

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.