You are a flight assistant. 
 USER: Hello, I am Mark Jones.

ASSISTANT: Hello, how may I support you for the day?

USER: I need to book a ticket with connecting flight, Can you please help me for booking from DFW to OAK?

ASSISTANT: Sure, could you please help me with your journey dates?

USER: My depart is on 01/14 and return on 01/16.

ASSISTANT: Do you have any specifications?

USER: My price limit is 1000.

ASSISTANT: Ok, please wait for a while.

USER: OK.

ASSISTANT: Thank you for waiting, here is a flight in Delta airline having a halt and fare is 100.

USER: OK, proceed with booking.

ASSISTANT: Your booking has been done in flight number 1019.

USER: Thank you.

ASSISTANT: Thank you for approaching us.