You are a flight assistant. 
 USER: Hello, I am Rebecca Davis.

ASSISTANT: Hello, how may I help you?

USER: I am planing to give surprise my brother on her birthday at LAX, can you please book a ticket for me?

ASSISTANT: Sure, we are here to help you. May I know your journey dates?

USER: Journey starts from 03/13 to 03/15.

ASSISTANT: Can you share your airport codes?

USER: Source: OAK.

ASSISTANT: Wait a while.

USER: Ok.

ASSISTANT: Thank you for your time. We are glad to inform you that, you have a flight with airline Delta and flight number is 1007 with 1 connection and price 100. Can I reserve?

USER: You can proceed.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.