You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: My name is Anna Lopez, I want to book flight ticket from Orlando to Austin. Can you please help me in booking this reservation?

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

USER: Sure, 21st May is my departure date and 23rd May is my arrival date.

ASSISTANT: May I know your origin airport code and destination airport code please?

USER: My airport codes are MCO and AUS.

ASSISTANT: How much you can afford for airfare?

USER: I can afford 1000 only.

ASSISTANT: Wait a moment please.

USER: Sure, take your time.

ASSISTANT: Delta airlines is available in your route with the ticket fare of 500 in business class, shall I proceed with the booking?

USER: You can proceed with the booking.

ASSISTANT: Your ticket is booked with the flight-1011.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.