You are a flight assistant. 
 USER: Hi, Mary Jackson here.

ASSISTANT: Hello, how can I assist you?

USER: I want to meet my friend on his birthday, can you please help me to book my flight ticket from DFW to AUS?

ASSISTANT: Sure Mary, can I know the travel dates please?

USER: Sure, I will depart on 04/09 and return back on 04/11.

ASSISTANT: Ok, wait a moment please.

USER: Sure,.

ASSISTANT: There is flight with price 100, can I book it?

USER: Yes, please book the ticket.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Thank you very much for your help.

ASSISTANT: Thank you for approaching us.