You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a flight ticket from MCO to SFO?

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travelling dates?

USER: My travel dates are Sept 22 and Sept 24.

ASSISTANT: Do you have any specifications for this trip?

USER: No, thanks for asking.

ASSISTANT: May I know your good name?

USER: I am Anna Clark.

ASSISTANT: There is a connecting flight found in United Airlines with a fare of 200 which departs at 16:00 and return at 6:00. Shall I proceed for booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1023.

USER: Thank you.

ASSISTANT: Thank you for choosing us.