You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Houston, will you help me in booking the flight ticket from CLT to IAH?

ASSISTANT: Sure, I am here to help you. Can I know your travelling dates to search for the flight?

USER: My travelling dates are Jan 23 and Jan 25.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: May I know your other requirements?

USER: I don't have any other specifications.

ASSISTANT: Can I have your name?

USER: Myself Ronald Lopez.

ASSISTANT: There is a connecting flight 1015 of United Airlines, can I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.