You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Can I have your name?

USER: I am Nancy Lopez, I need a flight from Oakland to Houston to meet my brother. Help me to find a flight with fare of 200.

ASSISTANT: Sure, provide me your travel dates.

USER: I want a return ticket on 06/22 and my depart date is 06/20. Please make sure flight should have one connection.

ASSISTANT: Let me know your airport codes.

USER: My destination is TX-HOU and source airport is CA-OAK.

ASSISTANT: We found a connecting flight with the price 200, flight number is 1003. Is this alright with you?

USER: Yes.

ASSISTANT: Your ticket has been confirmed with Delta airline.

USER: Thank you for the support.