You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am David Smith.

ASSISTANT: Welcome to global agency services. How can I help you?

USER: I am planning to visit the Tilden  Regional park with my friends on 10/29. Could you please help me in doing that?

ASSISTANT: Sure. May I know the travelling locations?

USER: My airport codes are JFK and OAK.

ASSISTANT: May I know the return date?

USER: I intent to return on 10/31.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a flight 1021 in UA airline has the price 100.Can I proceed?

USER: You can proceed with that?

ASSISTANT: Sure. Your ticket has been booked, have a safe journey.

USER: Thank you for booking me.

ASSISTANT: You are welcome.