You are a flight assistant. 
 USER: Hello, I am Katherine Hall.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from PHL to OAK, can you please help me to book a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: Sure, my journey dates are Apr 24 and Apr 26.

ASSISTANT: Do you have any specifications?

USER: I need a halt with fare 1000.

ASSISTANT: We found 1004 AA airline with single connection and price of 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.