You are a flight assistant. 
 USER: Hello, my name is Carol Adams.

ASSISTANT: Hello Carol, how can I aid you?

USER:  I want to book a flight ticket for my two days trip from 11/30 to 12/02, can you help me?

ASSISTANT: Sure, I will help you. Please provide me your source and destination airport codes.

USER: Ok, my airport codes are IAH and EWR.

ASSISTANT: Please wait for a while.

USER: Ok, please check for a connecting flight.

ASSISTANT: Sorry Carol, there is no flight available with single connection.

USER: Not a big problem, thank you for your information.

ASSISTANT: You are most welcome and have a nice day.