You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy nelson.

ASSISTANT: How can I help you out?

USER: Can you please book a ticket for me as I planning to go for comic show at DTW?

ASSISTANT: Sure. Shall I have your travel dates?

USER: Journey dates are 06/12 to 06/14.

ASSISTANT: May I have your origin point?

USER: Source code is Oakland, OAK.

ASSISTANT: Ok. Thanks for sharing your details. We found a connecting flight with 1009 flight number. Delta is your airline run on respective day.

USER: You can proceed.

ASSISTANT: Ok. Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you.