You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Larry Baker, I want to book a flight ticket to meet my sister. Please help me out.

ASSISTANT: Sure, I will help you for booking. Can you please share your airport codes?

USER: I want to fly from MI- DTW  to CA- OAK.

ASSISTANT: Ok, may I know your journey dates?

USER: My travelling dates are from 06/19 to 06/21.

ASSISTANT: Ok, do you have any price limit?

USER: I need the ticket within price 1000.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a 1021 Delta airline and the fare is 200 with single connection. Can I proceed for booking?

USER: Please go ahead.

ASSISTANT: Ok, the booking has been done.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.