You are a flight assistant. 
 USER: Hello, I am Karen Davis.

ASSISTANT: Hello Karen Davis. How can I oblige you today?

USER: I want to book a flight ticket from IL - ORD to TX - IAH to meet my colleague in Houston. Can you help me in that?

ASSISTANT: Sure, we are here to serve you. When did you plan to depart and return on?

USER: I would like to fly on 12/26, return on 12/28.

ASSISTANT: We found a connecting flight in Frontier airline. Shall I proceed with a fare of 100?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.