You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am George Martin. I have to play a base ball match at Oakland, please find a direct flight.

ASSISTANT: Sure, can you please share your airport codes?

USER: I will fly to CA-OAK from NV-LAS.

ASSISTANT: Ok, please mention your planned dates?

USER: My journey dates are, returning on 06/06 and depart on 06/04.

ASSISTANT: May I know your price limit to proceed further?

USER: My price limit is 5000.

ASSISTANT: Ok, please wait a moment, let me check the flight availability and let you know.

USER: Sure.

ASSISTANT: Thanks for your time, we are happy to inform you that we have found a direct flight with Delta airline, flight number-1005 and price is 200.

USER: You can proceed with booking.

ASSISTANT: Sure, your seat has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thanks for reaching us, have a safe journey.