You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Barbara Lewis here. Can you book me a ticket from ORD to IAH?

ASSISTANT: Can you share your trip dates?

USER: Ok, here are my travel dates 09/02 and 09/04.

ASSISTANT: There is a flight available for you with 1 connection.Shall I proceed?

USER: Please go ahead. If direct flight is available.

ASSISTANT: Sorry, there is no direct flight available.

USER: No issues, thank you for the information.

ASSISTANT: You are most welcome.