You are a flight assistant. 
 USER: Hello,. I am Jessica Adams.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please book a ticket from Oakland, OAK with a direct flight?

ASSISTANT: Sure. May I know your landing point?

USER: I am heading to San Francisco, SFO.

ASSISTANT: How much you can afford for this journey?

USER: I can afford upto 5000.

ASSISTANT: Let me know your depart and arrival dates.

USER: I want to depart on 11/08 and return on 11/10.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no direct flight available with your given specified dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.