You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: Can you aid me to book my ticket from IAH to LGA?

ASSISTANT: Surely, I will help you out.

USER: Thank you.

ASSISTANT: Kindly, share your planned dates.

USER: My trip dates are Sep 20 and Sep 22 respectively.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Can I have your name please?

USER: Dorothy White here.

ASSISTANT: How many connections you prefer in your journey?

USER: I prefer for single connecting flight.

ASSISTANT: Do you have any other concerns?

USER: No other concern.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: There is a connecting flight with a fare of 100 found in 1012 American Airline, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.