You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from HOU to ORD with single connection. Can you please help me?

ASSISTANT: Please provide me with the itinerary travel dates.

USER: My travel dates are May 9 and May 11.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you prefer time concern?

USER: No.

ASSISTANT: Are there any more preferences that you want to avail?

USER: I don't have any other preferences.

ASSISTANT: May I know your name?

USER: Betty Wilson.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Betty Wilson. I regret to inform that there are no flights on your route by the given dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you very much.