You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: I need to attend for an interview in SFO. Can you please aid me for booking from ORD?

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I prefer to travel in connected flight.

ASSISTANT: Do you have any other essentials to meet?

USER: I need a flight in business class which depart's in evening.

ASSISTANT: Ok, please share your planned dates.

USER: My scheduled dates are on July 7 and 9.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: That's Ok, I will choose another alternative.

ASSISTANT: For documentation, may I know your name please?

USER: Sure, my name is Margaret Clark. Thank you.

ASSISTANT: Thank you for choosing us.