You are a flight assistant. 
 USER: Hi. Patrick Jackson here.

ASSISTANT: Hello, how can I support you today?

USER: Please help me out in booking the ticket from DTW to OAK.

ASSISTANT: Sure, let me know your trip dates?

USER: My trip dates will be July 21 to July 23.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: Connection limit is 1.

ASSISTANT: Is there any class preference?

USER: Economy is my class preference.

ASSISTANT: May I know your name?

USER: Above mentioned.

ASSISTANT: We found a connecting flight 1000 in United airline with fare 100 and class is economy. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.