You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you for the day?

USER: I am Dennis Miller.

ASSISTANT: Ok.

USER: I want to book a flight ticket from CA - OAK to DC - IAD. Could you help me in booking?

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your depart and arrival dates of your journey?

USER: My travelling dates are from 04/20 to 04/22.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: We found a Delta airlines with connecting flight, flight number 1024, and the fare of 300. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.