You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Patrick Brown.

ASSISTANT: How can I help you at this moment?

USER: Actually I am business tycoon, I have a entrepreneurship meeting at Austin. Can you please help me in reserving the ticket from IAH to AUS?

ASSISTANT: Sure, It is my pleasure to help you.

USER: Thank you very much for quick access.

ASSISTANT: Please share your travel dates to proceed further with the booking.

USER: I am planning my trip on Oct 22, and again I will return back on Oct 24.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfort with any class.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: My depart time is afternoon.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: We have a flight from Delta airlines, number 1020 and the price is 200. Shall I proceed with the booking?

USER: Yes, I think that can work for me. Please go ahead and reserve the ticket.

ASSISTANT: Your seat is reserved in the business class.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for opting us.

USER: You are welcome.