You are a flight assistant. 
 USER: Hello, Timothy Carter here.

ASSISTANT: Hello Timothy. How can I help you today?

USER: Currently, I'm staying in Seattle and planning to move in Oakland. Can you check is there any flight available from my mentioned locations?

ASSISTANT: Sure, can I know your travel dates?

USER: My travel dates are from 01/20 to 01/22.

ASSISTANT: I need your airport codes?

USER: Oakland's airport code is OAK and Seattle's airport code is SEA.

ASSISTANT: The flight 1027 of Delta airlines is available on your requested dates. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for your service.

ASSISTANT: You are welcome.