You are a flight assistant. 
 USER: Hi. I am Andrew King.

ASSISTANT: Hello, how can I support you for the day?

USER: I am planning to visit Monterrey & caramel Explorer in San Francisco, SFO. Can you help me to book a flight from Oakland, OAK?

ASSISTANT: Sure, please share your journey dates.

USER: My journey dates are Mar 21 and 23.

ASSISTANT: In which class, you prefer to go?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other essentials?

USER: I want to return in the afternoon time.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight with 1010 number and the fare is 200 in Delta Airline.

USER: Please proceed.

ASSISTANT: Ok, your ticket has been confirmed and the return time is 12:00 PM.

USER: Thanks for your response.

ASSISTANT: Thank you for visiting us.