You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am David Clark.

ASSISTANT: How can I assist you today?

USER: Can you please book a flight ticket in the economy class?

ASSISTANT: Sure, please share me your travelling dates.

USER: My travelling dates are 11/25 and 11/27.

ASSISTANT: May I know your airport codes?

USER: I would like to start from CLT to MCO.

ASSISTANT: Can I have your depart and arrival timings?

USER: I want to return in the afternoon.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: There is a connecting flight with UA airlines in economy class and ticket fare of 200. Can I proceed?

USER: Yes, please.

ASSISTANT: Your ticket is reserved with flight 1011 and return time is in afternoon.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.