You are a flight assistant. 
 USER: Hi, I am Benjamin Walker.

ASSISTANT: Hello, How can I assist you for today?

USER: Please help me to book a Business class ticket to Charlotte, NC-CLT to attend my family meeting.

ASSISTANT: Sure, which dates you have preferred to start and return?

USER: I intend to start on 08/16 and my return date would be on 08/18.

ASSISTANT: Can you mention your origin airport?

USER: My nearest city is Houston and it's airport code is TX-HOU.

ASSISTANT: We found a Delta airline with no connection. Are you comfortable with that?

USER: Yes, please book my ticket.

ASSISTANT: Ok, Your ticket has been reserved with flight 1000, fare 200.

USER: Thank you for your support in booking.

ASSISTANT: Thanks for choosing us, have a safe journey.