You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Susan Baker.

ASSISTANT: How can I assist you today, Susan?

USER: Please book me a ticket from AUS to DFW, as I need to attend a funeral service of one of my close friends.

ASSISTANT: Sure, could you please provide your preferable travel dates?

USER: Yes, my depart date is 04/30 and my return date is 05/02.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Sure.

ASSISTANT: Your patience is greatly appreciated. Susan, there is a flight available with price 100 and the flight number is 1004. Would you like me to proceed the booking?

USER: Yes, please proceed booking.

ASSISTANT: Your booking is confirmed with Spirit airline.

USER: Thanks a lot for the help you did.

ASSISTANT: You are welcome. Thank you for choosing our service.