You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Hill here.

ASSISTANT: How can I aid you?

USER: I need your help in finding a best flight from Oakland as I need to attend a music consent at Seattle. Can you help me in finding the availability of flights?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: As the consent is on Jan 11, so I would like to start on Jan 10, my return date will be on Jan 12.

ASSISTANT: Please share me your airport codes.

USER: My journey airports are from the best international airports OAK to SEA.

ASSISTANT: Give me a minute.

USER: Sure, make sure in finding a connecting flight.

ASSISTANT: Ok. Thanks for your time. We found a Delta airline, flight number:1000 and the price is 300.

USER: You can proceed with booking as it matches my requirements.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your best service.

ASSISTANT: Thank you for reaching us.