You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to explore the nature in Redwood regional park which is located in Oakland, OAK. Can you help me with the process of booking?

ASSISTANT: Sure, I will help you. May I know your source airport code please?

USER: My source is from Houston, HOU.

ASSISTANT: Can I have your planned travel dates please?

USER: My trip dates are Sept 08 and 10.

ASSISTANT: May I know your name please?

USER: Donna Lewis here.

ASSISTANT: Do you have any connection preference?

USER: Yes, I need a lay by in my journey.

ASSISTANT: May I know your specifications?

USER: No.

ASSISTANT: I found an economy class in United Airlines with fare 200 and it has single connection. Can I book your ticket?

USER: Please move forward with the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1023.

USER: Thanks for your kind service.

ASSISTANT: Thank you for choosing us.