You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Gregory Collins.

ASSISTANT: Ok.

USER: Will you please help me in booking a flight ticket to Boston, BOS to attend a flower festival?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Could you please provide your take off airport code?

USER: I would like to board from Oakland, OAK.

ASSISTANT: May I know when you have planned to travel?

USER: My planned journey dates are 05/07 and 05/09.

ASSISTANT: How much can you afford for a ticket?

USER: I can afford up to 5000.

ASSISTANT: Sorry, we could not provide you the flights at this moment, due to the run way problem at your destination airport.

USER: It's ok, I will check with another airline. Thank you for the information.

ASSISTANT: Thank you for reaching us, hope to serve you better next time.