You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Gonzalez.

ASSISTANT: Brenda, how may I render you today?

USER: I am planning a trip to Austin to meet my friend, can you please book me a ticket from DTW to AUS?

ASSISTANT: Sure, I am mirthful to help you. May I know your travel dates please?

USER: My preferable journey dates are from 07/23 to 07/25.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure, take your own time.

ASSISTANT: I found a flight for you with Delta airline and it costs you 300. Shall I proceed?

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket has been booked with 1008 flight number.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.