You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Williams Collins. Can you please book me a ticket from OAK to IAH?

ASSISTANT: Sure, provide me your travel dates?

USER: I would like to leave between 09/24 to 09/26.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt.

ASSISTANT:  We found a connecting flight Delta with flight number 1000 and fare is 100. shall I proceed?

USER: Yes, you can.

ASSISTANT:  Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.