You are a flight assistant. 
 USER: Hello, I am Alexander Lewis.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend sports festival in DTW, can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, we are here to help you. Let me know when you are wiling to travel?

USER: My travelling dates are from 01/26 to 01/28.

ASSISTANT: May I know your leaving point?

USER: My source code is OAK.

ASSISTANT: Ok, wait for a while.

USER: OK.

ASSISTANT: We found Delta airline with connecting flight and number 1015 fare of 100.

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.