You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I'm Helen Roberts. I would like to book a flight ticket to Oakland, CA - OAK to watch live cricket event. Can you help me?

ASSISTANT: Sure. Can you provide me your trip dates please?

USER: I want to depart on 05/26 and return on 05/28.

ASSISTANT: May I know your source point?

USER: My source point is PHX. I need a halt. Price should be under 200.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Unfortunately there is no flights find on your details.

USER: Ok, no issue.

ASSISTANT: Thanks for connecting us.

USER: Thanks for your prompt response.