You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Margaret Perez.

ASSISTANT: How may I assist you?

USER: I am planning to celebrate my birthday at Detroit, DTW. Can you please book me a ticket from Austin, AUS?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My planned dates of journey are from 09/23 to 09/25.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Frontier airlines is available in your route with the ticket fare of 100, shall I proceed with the proceed with the booking?

USER: Please reserve my ticket with this airlines.

ASSISTANT: Your ticket is booked with the flight-1020.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.