You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Catherine Wright.

ASSISTANT: How can I assist you today?

USER: I am planning to visit Houston, will you help me in booking the flight ticket from ORD to HOU?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My traevelling dates are June 09 and June 11.

ASSISTANT: Do you have any specifications?

USER: I need a flight with single connection.

ASSISTANT: Please give me a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Welcome, have a great day.