You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Anna Collins.

ASSISTANT: How can I help you?

USER: I need to attend a function in OAK, on 02/15 and return will be on 02/17.

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

USER: Yes, my home town is DEN.

ASSISTANT: OK, give me a moment.

USER: Sure.

ASSISTANT: I had found a flight 1013 of southwest airlines. Can I proceed with the booking?

USER: That's good to hear, please book a ticket for me.

ASSISTANT: OK, your ticket has been booked successfully. Thank you for reaching us.

USER: You are welcome.

ASSISTANT: Have a safe flight.