You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please assist me in booking a flight ticket from OAK to HOU to go for an adventure?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My planned journey dates are May 28 and May 30.

ASSISTANT: Do you have class preference?

USER: No, I don't have.

ASSISTANT: Do you need connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any other specifications?

USER: My return time should be morning.

ASSISTANT: May I know your name?

USER: I am John Clark.

ASSISTANT: We found United Airline with fare 100 and flight number is 1022 with connecting flight. Shall I proceed with the booking?

USER: May I know the return time?

ASSISTANT: Your return time is 5:00.

USER: You can proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.