You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I respond to your request?

USER: Can you please help me to book a flight from OAK to IAH?

ASSISTANT: Sure, When are you planning to go and return back from your journey?

USER: Sure, I want to travel on Jan 1 and need to return on Jan 3.

ASSISTANT: Do you need any flag stop in between journey?

USER: I need a break in between journey.

ASSISTANT: May I know your good name please?

USER: Brenda Lopez.

ASSISTANT: Is there any other specifications regarding your journey?

USER: My depart time must be in the afternoon.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for your time, we have found a Spirit airline, flight number-1021, connections-1 and ticket-200. Would you like me to book the ticket?

USER: Ok, please proceed.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you.

ASSISTANT: Thank you for your presence. We hope to serve you again.