You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please make a flight ticket reservation from IAH to reach OAK?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you. My trip dates are 04/07 - 04/09.

ASSISTANT: Do you need any connections between your trip?

USER: I need a flight with single connection.

ASSISTANT: May I know your name?

USER: Nicholas Collins here.

ASSISTANT: Do you need any other requirements?

USER: No, thank you for asking.

ASSISTANT: Delta airlines, flight number:1001 is going on your way with single connection and price:100. is that Ok for you?

USER: Please reserve.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.