You are a flight assistant. 
 USER: Hello. I am Emma Martinez.

ASSISTANT: Hello, how can I aid you today?

USER: I have a plan to attend nature festival in DTW, would you please aid me in making an airline reservation from OAK?

ASSISTANT: Sure, we are ecstatic to help you. May I know your journey dates please?

USER: My journey dates are Jan 14th and Jan 16th.

ASSISTANT: Is there any connection limit for you?

USER: Yes, I need a flight with single connection.

ASSISTANT: In which class, you prefer to go?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: The depart time should be morning.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.