You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you now?

USER: I need to book a flight ticket from SFO to CLT, Can you please help me for booking?

ASSISTANT: Sure, I am glad to help you. May I know your travelling dates, please?

USER: I would like to travel on 06/14 to return on 06/16.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Let me about your other requirements.

USER: Ok, I am comfortable with business class.

ASSISTANT: Can you please share me your good name to proceed further?

USER: Amanda Harris here.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We regret to inform you that, we have not found any flights running on your desired routes.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.