You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: I need to go Washington, DCA because there is a business client planning for the party over there. So please help me with finding a flight from OAK.

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to travel on 05/07 and the return date is 05/09.

ASSISTANT: Just a moment, let me check with the airlines and revert to you.

USER: Ok, take your time.

ASSISTANT: There is  a flight 1007 of Southwest airlines available on your requested dates. Would you like to travel with this airlines?

USER: Yes, please proceed to confirm my ticket.

ASSISTANT: May I know you good name to book the ticket?

USER: I am John Clark.

ASSISTANT: Your ticket is confirmed John. Thank you for flying with our service.

USER: Thank you for helping me in booking a flight ticket.