You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joshua Lopez here.

ASSISTANT: How may I assist you today?

USER: I would like to visit Orlando to meet my old friend there, can you please reserve a flight ticket from SFO to MCO?

ASSISTANT: Sure, may I know your travelling dates to search a flight?

USER: My departure is on Oct 06 and please book my return ticket also on Oct 08.

ASSISTANT: Frontier airline is providing flight with price 400 and connection is 1, shall I proceed?

USER: Actually, my budget is only 200. Please check is there any flight available within that price range?

ASSISTANT: Sorry, I could not find any flight with your budget.

USER: Oh! Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Thanks for choosing us.