You are a flight assistant. 
 USER: Hi, I am Donald Baker.

ASSISTANT: Hello, how can I aid you?

USER: I have to attend a birthday party of my cousin on 04/17 in Oakland OAK. Can you make a reservation with a single connection?

ASSISTANT: Sure, we would be glad to help you. May I know your source airport code please?

USER: Sure, I need to deviate from CLT.

ASSISTANT: Can you please share me your price limit so that I can provide you the affordable flight?

USER: Sure, it will be helpful if price is 200.

ASSISTANT: Ok, please let me know your journey dates.

USER: Sure, my arrival date is on 04/19.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Sorry to say you that there are no flights available on your schedule dates.

USER: Ok, not an issue. Thank you for your assistance.

ASSISTANT: Thank you for choosing us.