You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kimberly Wilson.

ASSISTANT: How can I help you today?

USER: Can you help me in booking from OAK to DTW, as I have to organise my cultural fest?

ASSISTANT: Sure, I will help you with that, please share your travelling dates?

USER: My fest strats on 03/13 so can you book on 03/11?

ASSISTANT: Kimberly sorry for the inconvenience, no flights as per your details.

USER: No issue, thank you for your time.

ASSISTANT: It's my pleasure, have a nice day.