You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sarah Walker.

ASSISTANT: How may I aid you today?

USER: I planned to meet my friend in LAS, can you please help me to book a flight ticket from DTW?

ASSISTANT: Sure, help me with the trip dates?

USER: I planned to travel on 03/24 and 03/26.

ASSISTANT: Do you have any price limit?

USER: My price limit is 5000.

ASSISTANT: We found a flight in an airline UA with 1019 number having a single connection price of 600. Shall I proceed to book?

USER: Ok, please confirm my booking.

ASSISTANT: Your flight ticket has been reserved in a business class.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us. Have a safe flight.