You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Jonathan White. I want to book a flight to OAK from DTW. Can you help me?

ASSISTANT: Sure, may I know your travel dates please?

USER: Ok, my travel origin date is 05/26 and the return date is 05/28.

ASSISTANT: Ok, hold on for a moment.

USER: Ok.

ASSISTANT: I found a flight for you with Frontier airline and it costs you 300.

USER: Please proceed with that. If the price is 200. Search for that price limit please.

ASSISTANT: Sorry White, there are no flights available with the cost of 200. Sorry for the inconvenience provided.

USER: That's ok, thank you for searching. I will plan my trip next time.

ASSISTANT: Ok. Thank you for reaching us. Have a good day.

USER: Thank you for assisting me.