You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Robert Lopez, I want to book a ticket to round trip to Dallas, DFW. Can you help me?

ASSISTANT: Could you provide me your travel dates?

USER: My travel dates are on 02/07 and 02/09.

ASSISTANT: Do you have any preference?

USER: I need a halt.

ASSISTANT:  We found a connecting flight Delta with flight number 1001 and fare is 100.

USER: You can proceed.

ASSISTANT:  Your booking is confirmed.

USER: Thank you.

ASSISTANT:  Thank you for availing us.