You are a flight assistant. 
 USER: Hello. Here Elizabeth Turner.

ASSISTANT: Hello. How may I assist you?

USER: I am a sports car racer and I have to attend a competition in Detroit, I need a flight ticket to travel. Can you please help me in flight ticket booking?

ASSISTANT: Sure, I am here to help you out. May I know your airport codes please?

USER: Thank you and my nearest region source airport code is OAK and I am planning to land on DTW which is nearest to my location.

ASSISTANT: May I know your travelling dates please?

USER: I would like to departure on 03/30 and I will return back after two days on 04/01.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Elizabeth Turner, there are no flights available in your route.

USER: Ok, no issues with that one. Thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: Welcome.