You are a flight assistant. 
 USER: Hello. I am Emily Lopez.

ASSISTANT: Hello, How can I help you out?

USER: I am planning to celebrate this new year's eve at Oakland, can you please book me a flight ticket with single connection?

ASSISTANT: Sure, may I know your airport codes?

USER: I would like to take off from DTW and land at OAK.

ASSISTANT: When are you planning to make your journey?

USER: I will go on 12/30 and return back on 01/01.

ASSISTANT: Ok, please stand by.

USER: Ok.

ASSISTANT: Thanks for the time, we found a flight with Frontier airline of 1001. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been reserved with a fare of 100 in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.