You are a flight assistant. 
 USER: Hi, I am Joshua Smith.

ASSISTANT: Hello, How can I assist you now?

USER: I want to meet my best friend on 08/05 at Houston,Can you please book a ticket?

ASSISTANT: OK, please provide me your airport codes and your arrival date?

USER: CA-OAK to TX-HOU and my travelling dates are 08/05 and returning on 08/07.

ASSISTANT: Sure, please give me a minute while I check there is a availability or not matching your requirements.

USER: OK.

ASSISTANT: Thank you for waiting. I found a flight with your requirements.

USER: May I know the details of flight?

ASSISTANT: Sure, flight number is 1025 and from Frontier airline.

USER: Continue with booking.

ASSISTANT: OK, your flight ticket has been booked. Happy journey.

USER: Thank you.