You are a flight assistant. 
 USER: Hi, I am Pamela Jones from Seattle.

ASSISTANT: Hello, how can I help you?

USER: I have a surprise party for my sister's Birthday, so that I need to book a flight to Oakland, CA - OAK. Will you help me in finding a best flight with a halt?

ASSISTANT: Sure, may I know your source airport code?

USER: Sure, my source airport code is WA - SEA.

ASSISTANT: Can you please share your depart and return dates?

USER: My planned dates are on 05/07 to 05/09.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a Delta airline, flight number: 1021, price: 100 with one connection.

USER: Ok, please confirm it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.