You are a flight assistant. 
 USER: Hello, I am Virginia Moore.

ASSISTANT: Hello, how can I give assistance to you?

USER: Please book me ticket under price 200.

ASSISTANT: Sure, please share your journey airport codes.

USER: i am heading to Oakland, CA - OAK from Los Angeles, CA - LAX to visit my aunt's house.

ASSISTANT: Ok, may I know your journey dates?

USER: I would start on 07/07 and return on 07/09.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in 1007 UA airline with a fare of 100.

USER: Ok, please book my ticket.

ASSISTANT: Sure, the ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for contacting us.